Gratin dishes are known for their creamy, cheesy layers and golden-brown toppings.
Traditionally, many gratins include starchy ingredients, but these low carb gratin recipes offer all the flavor without the extra carbohydrates.
By using vegetables like cauliflower, zucchini, and eggplant, along with creamy sauces and cheese, you can enjoy a rich and satisfying meal while staying low carb.
These recipes are perfect for weeknight dinners, holiday sides, or family gatherings.
Low carb gratins provide a comforting and indulgent dish without compromising dietary goals.
From cheesy cauliflower gratin to zucchini and mushroom variations, these recipes are flavorful, nutritious, and easy to make.
Each recipe is carefully designed to maximize taste, texture, and low carb ingredients.
Whether you are new to low carb cooking or a seasoned enthusiast, these gratins are sure to please.
15 Easy Low Carb Gratin Recipes for Healthy Comfort Food

Low carb gratins are a delicious way to enjoy creamy, cheesy comfort foods without excess carbohydrates.
The 15 recipes featured here combine vegetables, cheese, and seasonings for flavorful, satisfying meals or sides.
They are perfect for family dinners, holiday spreads, or meal prep while keeping carbs low.
With these recipes, you can enjoy indulgent dishes that fit your low carb lifestyle.
Each gratin offers rich flavor, satisfying textures, and endless variations to keep your meals exciting.
These recipes prove that low carb cooking can be comforting, versatile, and delicious.
You can easily adapt them to your favorite vegetables and cheeses to create personalized, healthy gratins.
Cheesy Cauliflower Gratin
This creamy cauliflower gratin is low carb but indulgent, with tender florets baked in a rich, cheesy sauce.
The combination of cheddar, cream, and garlic creates a flavorful dish that’s perfect for family dinners or holiday sides.
The top becomes golden and bubbly, offering a satisfying texture with every bite.
Every serving is hearty, cheesy, and comforting.
Ingredients:
- 1 large cauliflower, cut into florets
- 2 cups shredded cheddar cheese
- 1 cup heavy cream
- 2 garlic cloves, minced
- 2 tbsp butter
- ½ tsp nutmeg
- Salt and pepper, to taste
- ¼ cup grated Parmesan cheese
Instructions:
- Preheat oven to 375°F (190°C).
- Steam cauliflower until slightly tender, about 5 minutes.
- In a saucepan, melt butter and sauté garlic for 1 minute.
- Stir in heavy cream, nutmeg, salt, and pepper, and cook 2 minutes until warm.
- Mix in 1½ cups cheddar until melted.
- Place cauliflower in a greased baking dish and pour sauce over it.
- Sprinkle remaining cheddar and Parmesan on top.
- Bake 20–25 minutes until bubbly and golden.
Cauliflower provides a low carb, tender base.
Cheese sauce adds rich flavor and creamy texture.
This gratin is indulgent, cheesy, and low carb.
Every bite delivers comfort and satisfaction without excess carbs.
Zucchini and Mushroom Gratin
This gratin layers thinly sliced zucchini and mushrooms in a creamy, garlicky sauce.
It’s a low carb dish that’s savory, flavorful, and visually appealing with golden cheese on top.
The vegetables retain slight tenderness while absorbing the creamy sauce.
Every bite is rich, flavorful, and satisfying.
Ingredients:
- 3 medium zucchinis, thinly sliced
- 1 cup mushrooms, sliced
- 1 cup heavy cream
- 1 cup shredded Gruyère cheese
- 2 garlic cloves, minced
- 2 tbsp olive oil
- Salt and pepper, to taste
- ¼ cup grated Parmesan cheese
Instructions:
- Preheat oven to 375°F (190°C).
- Sauté garlic in olive oil for 1 minute, then add mushrooms and cook 3 minutes.
- Layer zucchini and mushrooms in a greased baking dish.
- Pour cream over the vegetables.
- Sprinkle Gruyère cheese evenly on top.
- Season with salt and pepper.
- Bake 25–30 minutes until vegetables are tender and cheese is golden.
- Sprinkle Parmesan on top and bake 5 more minutes.
Zucchini provides a mild, tender base for the gratin.
Mushrooms add savory depth and umami.
This dish is creamy, cheesy, and low carb.
Every bite is flavorful, hearty, and satisfying.
Broccoli and Bacon Gratin
This gratin combines crisp broccoli with smoky bacon in a creamy cheese sauce.
It’s low carb, flavorful, and perfect as a side dish for dinners or holidays.
The broccoli stays tender while the bacon adds savory crunch.
Every bite is rich, smoky, and comforting.
Ingredients:
- 4 cups broccoli florets
- 6 slices bacon, cooked and crumbled
- 1 cup heavy cream
- 1 cup shredded cheddar cheese
- 1 tsp Dijon mustard
- Salt and pepper, to taste
- ¼ cup grated Parmesan cheese
Instructions:
- Preheat oven to 375°F (190°C).
- Steam broccoli until slightly tender, about 5 minutes.
- In a saucepan, combine cream, Dijon mustard, cheddar, salt, and pepper; heat until smooth.
- Place broccoli in a greased baking dish and pour sauce over it.
- Sprinkle crumbled bacon on top.
- Bake 20–25 minutes until cheese is bubbly and golden.
- Garnish with Parmesan before serving.
Broccoli provides a tender, nutrient-rich base.
Bacon adds smoky flavor and crunch.
This gratin is hearty, savory, and low carb.
Every bite delivers creamy, flavorful satisfaction.
Eggplant Parmesan Gratin
This low carb eggplant gratin layers roasted eggplant slices with marinara sauce and melted cheese.
It’s rich, flavorful, and perfect as a satisfying dinner or side.
The eggplant becomes tender and absorbs the savory sauce and cheese.
Every bite is hearty, cheesy, and delicious.
Ingredients:
- 2 medium eggplants, sliced
- 1 cup low carb marinara sauce
- 1½ cups shredded mozzarella cheese
- ¼ cup grated Parmesan cheese
- 1 tsp Italian seasoning
- 2 tbsp olive oil
- Salt and pepper, to taste
Instructions:
- Preheat oven to 375°F (190°C).
- Brush eggplant slices with olive oil and roast 15 minutes until tender.
- Layer eggplant, marinara, and mozzarella in a greased baking dish.
- Sprinkle Italian seasoning, salt, and pepper between layers.
- Repeat layers until all ingredients are used.
- Top with Parmesan cheese.
- Bake 20 minutes until bubbly and golden.
Eggplant provides a tender, low carb base.
Cheese and sauce add richness and flavor.
This gratin is indulgent, cheesy, and low carb.
Every bite delivers savory satisfaction with every layer.
Cauliflower and Spinach Gratin
This gratin combines tender cauliflower florets with sautéed spinach and a creamy, cheesy sauce.
It’s low carb, nutrient-rich, and perfect as a side or vegetarian main.
The cauliflower absorbs the cheese sauce while the spinach adds color and flavor.
Every bite is creamy, cheesy, and wholesome.
Ingredients:
- 1 large cauliflower, cut into florets
- 2 cups fresh spinach
- 1 cup heavy cream
- 1½ cups shredded Gruyère cheese
- 2 garlic cloves, minced
- 2 tbsp butter
- Salt and pepper, to taste
- ¼ cup grated Parmesan cheese
Instructions:
- Preheat oven to 375°F (190°C).
- Steam cauliflower until slightly tender, about 5 minutes.
- Sauté garlic in butter for 1 minute, then add spinach until wilted.
- Mix cauliflower and spinach in a greased baking dish.
- Pour cream over vegetables and sprinkle Gruyère cheese on top.
- Season with salt and pepper.
- Bake 25–30 minutes until bubbly and golden.
- Sprinkle Parmesan cheese before serving.
Cauliflower provides a tender, low carb base.
Spinach adds nutrients and vibrant color.
This gratin is creamy, cheesy, and low carb.
Every bite delivers a flavorful, comforting, and satisfying dish.
Keto Zucchini and Ricotta Gratin
This gratin layers tender zucchini slices with creamy ricotta and a hint of garlic.
It’s low carb, cheesy, and rich, making it a perfect side for weeknight dinners or special occasions.
The zucchini softens while absorbing the creamy ricotta sauce, creating a luscious texture.
Every bite is savory, creamy, and comforting.
Ingredients:
- 3 medium zucchinis, thinly sliced
- 1 cup ricotta cheese
- ½ cup shredded mozzarella cheese
- 1 garlic clove, minced
- 1 tsp Italian seasoning
- 1 tbsp olive oil
- Salt and pepper, to taste
- 2 tbsp grated Parmesan cheese
Instructions:
- Preheat oven to 375°F (190°C).
- Sauté garlic in olive oil for 1 minute.
- Mix ricotta with garlic, Italian seasoning, salt, and pepper.
- Layer zucchini slices in a greased baking dish.
- Spread ricotta mixture between layers.
- Top with mozzarella and Parmesan cheese.
- Bake 25–30 minutes until bubbly and golden.
Zucchini provides a tender, low carb base.
Ricotta adds creamy, cheesy richness.
This gratin is flavorful, cheesy, and satisfying.
Every bite delivers a comforting and savory experience.
Keto Broccoli Cheddar Gratin
This gratin combines fresh broccoli florets with a rich cheddar cheese sauce.
It’s low carb, hearty, and perfect as a side dish for family dinners.
The broccoli stays slightly crisp while the cheese melts into a creamy, flavorful sauce.
Every bite is cheesy, savory, and satisfying.
Ingredients:
- 4 cups broccoli florets
- 1½ cups shredded cheddar cheese
- 1 cup heavy cream
- 1 tsp Dijon mustard
- Salt and pepper, to taste
- ¼ cup grated Parmesan cheese
Instructions:
- Preheat oven to 375°F (190°C).
- Steam broccoli for 5 minutes until tender-crisp.
- In a saucepan, combine heavy cream, Dijon mustard, cheddar, salt, and pepper; heat until smooth.
- Place broccoli in a greased baking dish and pour sauce over it.
- Sprinkle Parmesan on top.
- Bake 20–25 minutes until bubbly and golden.
Broccoli provides a nutrient-rich, low carb base.
Cheddar sauce adds creamy, savory flavor.
This gratin is indulgent, cheesy, and low carb.
Every bite delivers rich comfort and satisfaction.
Keto Spinach and Artichoke Gratin
This gratin blends spinach, artichokes, and cheese in a creamy, flavorful sauce.
It’s low carb, rich, and perfect as a side dish or vegetarian main.
The spinach and artichokes absorb the creamy cheese sauce while maintaining texture and flavor.
Every bite is creamy, savory, and satisfying.
Ingredients:
- 2 cups fresh spinach
- 1 cup chopped artichoke hearts
- 1 cup cream cheese
- ½ cup shredded mozzarella
- ¼ cup grated Parmesan
- 1 garlic clove, minced
- Salt and pepper, to taste
Instructions:
- Preheat oven to 375°F (190°C).
- Sauté garlic, spinach, and artichokes for 2–3 minutes until spinach wilts.
- Mix in cream cheese until smooth.
- Place mixture in a greased baking dish.
- Sprinkle mozzarella and Parmesan on top.
- Bake 20–25 minutes until bubbly and golden.
Spinach and artichokes provide a flavorful, low carb base.
Cheese sauce adds richness and creaminess.
This gratin is indulgent, cheesy, and low carb.
Every bite delivers savory, creamy satisfaction.
Keto Cauliflower and Leek Gratin
This gratin pairs tender cauliflower with sweet leeks in a creamy, cheesy sauce.
It’s low carb, flavorful, and perfect for holiday dinners or weeknight meals.
The leeks add subtle sweetness while the cauliflower absorbs the rich, cheesy sauce.
Every bite is creamy, savory, and comforting.
Ingredients:
- 1 large cauliflower, cut into florets
- 2 leeks, sliced and cleaned
- 1 cup heavy cream
- 1½ cups shredded Gruyère cheese
- 2 tbsp butter
- Salt and pepper, to taste
- ¼ cup grated Parmesan
Instructions:
- Preheat oven to 375°F (190°C).
- Steam cauliflower for 5 minutes until slightly tender.
- Sauté leeks in butter for 3 minutes until soft.
- Mix cauliflower and leeks in a greased baking dish.
- Pour cream over vegetables and sprinkle Gruyère on top.
- Season with salt and pepper.
- Bake 25–30 minutes until bubbly and golden.
- Sprinkle Parmesan before serving.
Cauliflower provides a low carb, tender base.
Leeks add mild sweetness and flavor depth.
This gratin is creamy, cheesy, and low carb.
Every bite delivers rich, comforting satisfaction.
Keto Eggplant and Tomato Gratin
This gratin layers roasted eggplant with tomato sauce and cheese for a low carb Italian-inspired dish.
It’s rich, flavorful, and perfect as a side or main dish.
The eggplant becomes tender while absorbing the tomato sauce and cheese.
Every bite is savory, cheesy, and satisfying.
Ingredients:
- 2 medium eggplants, sliced
- 1 cup low carb tomato sauce
- 1½ cups shredded mozzarella
- ¼ cup grated Parmesan
- 1 tsp Italian seasoning
- 2 tbsp olive oil
- Salt and pepper, to taste
Instructions:
- Preheat oven to 375°F (190°C).
- Brush eggplant slices with olive oil and roast 15 minutes until tender.
- Layer eggplant and tomato sauce in a greased baking dish.
- Sprinkle mozzarella, Parmesan, Italian seasoning, salt, and pepper between layers.
- Repeat layers until all ingredients are used.
- Bake 20–25 minutes until cheese is bubbly and golden.
Eggplant provides a tender, low carb base.
Tomato sauce and cheese create rich, flavorful layers.
This gratin is cheesy, savory, and low carb.
Every bite delivers hearty, satisfying comfort
Keto Cauliflower and Ham Gratin
This gratin combines tender cauliflower florets with smoky ham in a creamy cheese sauce.
It’s low carb, savory, and perfect for a hearty family dinner.
The cauliflower absorbs the creamy sauce while ham adds a rich, smoky flavor.
Every bite is cheesy, flavorful, and satisfying.
Ingredients:
- 1 large cauliflower, cut into florets
- 1 cup diced cooked ham
- 1 cup heavy cream
- 1½ cups shredded Gruyère cheese
- 2 tbsp butter
- Salt and pepper, to taste
- ¼ cup grated Parmesan cheese
Instructions:
- Preheat oven to 375°F (190°C).
- Steam cauliflower for 5 minutes until slightly tender.
- Melt butter in a saucepan and mix in heavy cream, salt, and pepper.
- Stir in Gruyère until smooth.
- Place cauliflower in a greased baking dish and sprinkle ham evenly.
- Pour sauce over cauliflower and ham.
- Top with Parmesan cheese.
- Bake 25–30 minutes until bubbly and golden.
Cauliflower provides a low carb, tender base.
Ham adds smoky, savory flavor.
This gratin is rich, creamy, and low carb.
Every bite delivers comfort and delicious satisfaction.
Keto Spinach and Feta Gratin
This gratin blends tender spinach with tangy feta cheese in a creamy sauce.
It’s low carb, flavorful, and perfect for a side dish or vegetarian main.
The spinach absorbs the creamy sauce while feta adds a sharp, savory note.
Every bite is rich, creamy, and satisfying.
Ingredients:
- 3 cups fresh spinach
- 1 cup crumbled feta cheese
- 1 cup heavy cream
- ½ cup shredded mozzarella
- 1 garlic clove, minced
- Salt and pepper, to taste
- 2 tbsp grated Parmesan cheese
Instructions:
- Preheat oven to 375°F (190°C).
- Sauté garlic and spinach until wilted.
- Mix in heavy cream and feta cheese until smooth.
- Place mixture in a greased baking dish.
- Sprinkle mozzarella and Parmesan on top.
- Bake 20–25 minutes until bubbly and golden.
Spinach provides a nutrient-rich, low carb base.
Feta adds tangy, creamy flavor.
This gratin is cheesy, flavorful, and low carb.
Every bite delivers a savory, creamy delight.
Keto Broccoli and Cauliflower Gratin
This gratin layers broccoli and cauliflower in a creamy cheese sauce for a low carb vegetable feast.
It’s hearty, flavorful, and perfect as a side for dinner or holidays.
The vegetables absorb the rich sauce while remaining slightly tender.
Every bite is creamy, cheesy, and comforting.
Ingredients:
- 2 cups broccoli florets
- 2 cups cauliflower florets
- 1½ cups shredded cheddar cheese
- 1 cup heavy cream
- 2 tbsp butter
- Salt and pepper, to taste
- ¼ cup grated Parmesan cheese
Instructions:
- Preheat oven to 375°F (190°C).
- Steam broccoli and cauliflower for 5 minutes.
- Melt butter in a saucepan, add heavy cream, salt, and pepper.
- Stir in cheddar cheese until smooth.
- Place vegetables in a greased baking dish and pour sauce over.
- Sprinkle Parmesan on top.
- Bake 20–25 minutes until bubbly and golden.
Broccoli and cauliflower provide a tender, low carb base.
Cheese sauce adds richness and creaminess.
This gratin is indulgent, cheesy, and low carb.
Every bite delivers rich, comforting flavor.
Keto Zucchini and Goat Cheese Gratin
This gratin layers thin zucchini slices with creamy goat cheese and herbs.
It’s low carb, tangy, and perfect as a side dish or light dinner.
The zucchini absorbs the cheese while goat cheese adds creamy, tangy flavor.
Every bite is savory, creamy, and satisfying.
Ingredients:
- 3 medium zucchinis, thinly sliced
- 1 cup crumbled goat cheese
- ½ cup heavy cream
- 1 tsp thyme
- 1 tbsp olive oil
- Salt and pepper, to taste
- 2 tbsp grated Parmesan cheese
Instructions:
- Preheat oven to 375°F (190°C).
- Brush zucchini slices with olive oil.
- Layer zucchini and goat cheese in a greased baking dish.
- Pour heavy cream over layers and sprinkle thyme, salt, and pepper.
- Top with Parmesan cheese.
- Bake 25–30 minutes until bubbly and golden.
Zucchini provides a tender, low carb base.
Goat cheese adds creamy, tangy richness.
This gratin is flavorful, savory, and low carb.
Every bite delivers a satisfying, gourmet experience.
Keto Mushroom and Cauliflower Gratin
This gratin combines earthy mushrooms with tender cauliflower in a rich, cheesy sauce.
It’s low carb, savory, and perfect for dinner or special occasions.
The mushrooms enhance the flavor while the cauliflower absorbs the creamy cheese sauce.
Every bite is rich, cheesy, and satisfying.
Ingredients:
- 2 cups cauliflower florets
- 1 cup sliced mushrooms
- 1 cup heavy cream
- 1½ cups shredded Gruyère cheese
- 2 tbsp butter
- 1 garlic clove, minced
- Salt and pepper, to taste
- ¼ cup grated Parmesan cheese
Instructions:
- Preheat oven to 375°F (190°C).
- Steam cauliflower for 5 minutes until slightly tender.
- Sauté garlic and mushrooms in butter for 3 minutes.
- Mix cauliflower and mushrooms in a greased baking dish.
- Pour heavy cream and Gruyère over vegetables.
- Season with salt and pepper.
- Sprinkle Parmesan on top.
- Bake 25–30 minutes until bubbly and golden.
Mushrooms add earthy depth and flavor.
Cauliflower provides a tender, low carb base.
This gratin is creamy, cheesy, and flavorful.
Every bite delivers indulgent, savory satisfaction