Fish is a fantastic choice for anyone following a low carb diet—rich in protein, omega-3s, and flavor.
These 15 low carb fish recipes showcase easy, healthy ways to prepare fish without adding unnecessary carbs.
From baked salmon and lemon butter cod to spicy tuna steaks and Mediterranean-style grilled fish, each recipe is simple, satisfying, and packed with nutrients.
Perfect for weeknight dinners, meal prep, or elegant entertaining, these dishes are designed to be flavorful, wholesome, and quick to prepare.
Enjoy delicious seafood while staying on track with your low-carb lifestyle!
15 Flavorful Low Carb Fish Recipes You’ll Love

Low carb fish recipes prove that healthy eating can be delicious, easy, and versatile.
These 15 recipes offer a wide range of flavors and cooking methods to suit every palate.
From light broiled fish to rich, buttery fillets or zesty, herb-infused preparations, each dish is satisfying and nutritious.
Experiment with spices, marinades, and side dishes to keep your meals exciting.
With these low carb fish recipes, you can enjoy tasty, protein-packed meals that support health, wellness, and your low-carb lifestyle.
Lemon Garlic Butter Baked Cod
This low carb lemon garlic butter baked cod is tender, flaky, and bursting with flavor.
Cod fillets are seasoned with garlic, lemon, and herbs, then baked to perfection for a simple, healthy dinner.
Perfect for a weeknight meal or a special occasion.
Each bite delivers flaky, flavorful cod with a bright citrus aroma and a hint of garlic.
Ingredients:
- 2 cod fillets
- 2 tbsp olive oil or melted butter
- 2 cloves garlic, minced
- 2 tbsp fresh lemon juice
- 1 tsp lemon zest
- 1 tsp dried parsley
- Salt and pepper to taste
- Lemon wedges for garnish
Instructions:
- Preheat oven to 400°F (200°C).
- Mix olive oil, garlic, lemon juice, lemon zest, parsley, salt, and pepper.
- Brush mixture over cod fillets.
- Bake 12–15 minutes until fish is opaque and flakes easily.
- Serve with lemon wedges.
This lemon garlic butter baked cod is tender, aromatic, and low-carb.
It’s perfect for a healthy, quick dinner.
Every bite delivers flaky cod with bright lemon and garlic flavors.
A simple, satisfying, and nutritious meal.
Keto Pesto Salmon
This low carb keto pesto salmon is rich, flavorful, and aromatic.
Salmon fillets are coated in a homemade basil pesto and baked until perfectly tender.
Perfect for a quick low-carb dinner or special occasion.
Each bite delivers moist salmon with the fresh, vibrant flavors of basil and garlic.
Ingredients:
- 2 salmon fillets
- 1/4 cup fresh basil leaves
- 2 tbsp olive oil
- 1 clove garlic
- 1 tbsp pine nuts
- Salt and pepper to taste
- Lemon slices for garnish
Instructions:
- Preheat oven to 400°F (200°C).
- Blend basil, olive oil, garlic, pine nuts, salt, and pepper into a smooth pesto.
- Spread pesto evenly over salmon fillets.
- Bake 12–15 minutes until salmon is cooked through.
- Garnish with lemon slices and serve.
This pesto salmon is aromatic, flavorful, and low-carb.
It’s perfect for a quick, healthy dinner.
Every bite delivers tender salmon with vibrant basil pesto.
A rich, satisfying, and nutritious meal.
Garlic Butter Shrimp Skillet
This low carb garlic butter shrimp skillet is savory, zesty, and protein-packed.
Shrimp are sautéed in garlic and butter with a touch of lemon for a quick, healthy dinner.
Perfect for weeknights or a low-carb appetizer.
Each bite delivers tender shrimp infused with rich garlic butter and bright citrus notes.
Ingredients:
- 1 lb shrimp, peeled and deveined
- 3 cloves garlic, minced
- 3 tbsp butter or ghee
- 1 tbsp lemon juice
- 1/2 tsp paprika
- Salt and pepper to taste
- Fresh parsley for garnish
Instructions:
- Heat butter in a skillet over medium heat.
- Sauté garlic until fragrant, about 1–2 minutes.
- Add shrimp, paprika, salt, and pepper.
- Cook 3–5 minutes until shrimp turn pink and opaque.
- Stir in lemon juice and garnish with parsley.
- Serve immediately.
This garlic butter shrimp skillet is savory, zesty, and low-carb.
It’s perfect for a quick, protein-packed meal.
Every bite delivers tender shrimp with rich garlic butter and bright lemon flavors.
A simple and satisfying dish.
Baked Lemon Herb Tilapia
This low carb baked lemon herb tilapia is light, flaky, and flavorful.
Tilapia fillets are seasoned with fresh herbs and lemon, then baked to perfection.
Perfect for a healthy low-carb dinner or lunch.
Each bite delivers tender fish with bright lemon aroma and delicate herb flavors.
Ingredients:
- 2 tilapia fillets
- 2 tbsp olive oil
- 2 tbsp lemon juice
- 1 tsp dried thyme
- 1 tsp dried parsley
- 2 cloves garlic, minced
- Salt and pepper to taste
- Lemon wedges for garnish
Instructions:
- Preheat oven to 400°F (200°C).
- Mix olive oil, lemon juice, garlic, thyme, parsley, salt, and pepper.
- Brush mixture over tilapia fillets.
- Bake 10–12 minutes until fish flakes easily with a fork.
- Serve with lemon wedges.
This lemon herb tilapia is light, tender, and low-carb.
It’s perfect for a healthy dinner or lunch.
Every bite delivers flaky fish with aromatic herbs and bright lemon flavor.
A nutritious and satisfying dish.
Keto Cajun Blackened Fish
This low carb keto Cajun blackened fish is bold, spicy, and full of flavor.
Fish fillets are coated in Cajun spices and pan-seared until crisp and golden.
Perfect for a quick low-carb dinner or a flavorful entrée.
Each bite delivers tender fish with a smoky, spicy crust and juicy interior.
Ingredients:
- 2 fish fillets (cod, tilapia, or snapper)
- 1 tbsp paprika
- 1 tsp garlic powder
- 1 tsp onion powder
- 1/2 tsp cayenne pepper
- 1/2 tsp dried thyme
- Salt and pepper to taste
- 2 tbsp olive oil or butter
Instructions:
- Mix paprika, garlic powder, onion powder, cayenne, thyme, salt, and pepper.
- Rub spice mixture evenly over fish fillets.
- Heat olive oil in a skillet over medium-high heat.
- Sear fish 3–4 minutes per side until blackened and cooked through.
- Serve hot with a side of vegetables.
This Cajun blackened fish is bold, spicy, and low-carb.
It’s perfect for a quick, flavorful dinner.
Every bite delivers tender fish with a smoky, aromatic crust.
A satisfying and healthy dish.
Herb-Crusted Baked Salmon
This low carb herb-crusted baked salmon is aromatic, tender, and bursting with flavor.
Salmon fillets are coated with fresh herbs and spices, then baked until perfectly flaky.
Perfect for a quick, healthy dinner or a special occasion.
Each bite delivers moist salmon with fragrant herbs and a delicate, flavorful crust.
Ingredients:
- 2 salmon fillets
- 2 tbsp olive oil
- 1 tsp dried thyme
- 1 tsp dried rosemary
- 1 tsp garlic powder
- Salt and pepper to taste
- Lemon wedges for garnish
Instructions:
- Preheat oven to 400°F (200°C).
- Mix olive oil, thyme, rosemary, garlic powder, salt, and pepper.
- Brush mixture over salmon fillets.
- Bake 12–15 minutes until salmon flakes easily with a fork.
- Serve with lemon wedges.
This herb-crusted salmon is tender, aromatic, and low-carb.
It’s perfect for a healthy dinner or special meal.
Every bite delivers flaky salmon with fragrant herbs and subtle seasoning.
A satisfying, flavorful, and nutritious dish.
Garlic Parmesan Crusted Tilapia
This low carb garlic Parmesan crusted tilapia is savory, crispy, and flavorful.
Tilapia fillets are coated with a Parmesan and garlic mixture and baked until golden brown.
Perfect for a low-carb dinner or weeknight meal.
Each bite delivers tender fish with a savory, crispy crust that is full of flavor.
Ingredients:
- 2 tilapia fillets
- 1/4 cup grated Parmesan cheese (optional for keto)
- 2 cloves garlic, minced
- 1 tbsp olive oil
- Salt and pepper to taste
- 1/2 tsp paprika
- Lemon wedges for garnish
Instructions:
- Preheat oven to 400°F (200°C) and line a baking sheet with parchment paper.
- Mix Parmesan, garlic, paprika, salt, and pepper in a small bowl.
- Brush tilapia with olive oil and coat with the Parmesan mixture.
- Bake 12–15 minutes until golden and fish flakes easily.
- Serve with lemon wedges.
This garlic Parmesan tilapia is crispy, savory, and low-carb.
It’s perfect for a quick, healthy dinner.
Every bite delivers tender fish with a flavorful, golden crust.
A satisfying and delicious dish.
Lemon Dill Baked Trout
This low carb lemon dill baked trout is light, flavorful, and aromatic.
Trout fillets are seasoned with fresh dill, garlic, and lemon, then baked until tender.
Perfect for a quick low-carb dinner or a light lunch.
Each bite delivers delicate, flaky fish with bright lemon and fragrant dill flavors.
Ingredients:
- 2 trout fillets
- 2 tbsp olive oil
- 2 cloves garlic, minced
- 2 tbsp fresh lemon juice
- 1 tsp lemon zest
- 1 tsp fresh dill, chopped
- Salt and pepper to taste
Instructions:
- Preheat oven to 400°F (200°C).
- Mix olive oil, garlic, lemon juice, lemon zest, dill, salt, and pepper.
- Brush mixture over trout fillets.
- Bake 12–15 minutes until fish flakes easily.
- Serve immediately.
This lemon dill trout is light, aromatic, and low-carb.
It’s perfect for a healthy, quick meal.
Every bite delivers tender fish with fragrant dill and bright citrus flavors.
A nutritious and satisfying dish.
Pan-Seared Mahi-Mahi with Garlic Butter
This low carb pan-seared mahi-mahi is savory, flaky, and rich in flavor.
Fillets are seared in a garlic butter sauce until golden and tender.
Perfect for a quick low-carb dinner or special occasion.
Each bite delivers tender mahi-mahi with a rich, buttery garlic coating.
Ingredients:
- 2 mahi-mahi fillets
- 3 tbsp butter or ghee
- 2 cloves garlic, minced
- 1 tbsp lemon juice
- Salt and pepper to taste
- Fresh parsley for garnish
Instructions:
- Heat butter in a skillet over medium-high heat.
- Add garlic and sauté for 1–2 minutes.
- Season mahi-mahi with salt and pepper and sear 3–4 minutes per side.
- Drizzle with lemon juice and garnish with parsley.
- Serve hot.
This pan-seared mahi-mahi is rich, buttery, and low-carb.
It’s perfect for a quick, flavorful dinner.
Every bite delivers tender fish with aromatic garlic and lemon.
A satisfying and healthy dish.
Blackened Cajun Salmon
This low carb blackened Cajun salmon is bold, spicy, and full of flavor.
Salmon fillets are coated in Cajun spices and seared for a smoky, flavorful crust.
Perfect for a quick low-carb dinner or a healthy entrée.
Each bite delivers tender salmon with a spicy, aromatic crust and juicy interior.
Ingredients:
- 2 salmon fillets
- 1 tsp paprika
- 1/2 tsp cayenne pepper
- 1/2 tsp garlic powder
- 1/2 tsp onion powder
- 1/2 tsp dried thyme
- Salt and pepper to taste
- 2 tbsp olive oil
Instructions:
- Mix paprika, cayenne, garlic powder, onion powder, thyme, salt, and pepper.
- Rub spice mixture evenly over salmon fillets.
- Heat olive oil in a skillet over medium-high heat.
- Sear salmon 3–4 minutes per side until blackened and cooked through.
- Serve hot with a side of vegetables.
This blackened Cajun salmon is bold, smoky, and low-carb.
It’s perfect for a quick, flavorful dinner.
Every bite delivers tender salmon with a spicy, aromatic crust.
A satisfying and healthy dish.
Garlic Lemon Butter Baked Halibut
This low carb garlic lemon butter baked halibut is tender, flaky, and bursting with flavor.
Halibut fillets are seasoned with garlic, lemon, and butter, then baked to perfection for a simple, healthy meal.
Perfect for weeknight dinners or special occasions.
Each bite delivers flaky fish with rich butter and bright citrus notes.
Ingredients:
- 2 halibut fillets
- 3 tbsp butter, melted
- 2 cloves garlic, minced
- 2 tbsp lemon juice
- 1 tsp lemon zest
- 1 tsp dried parsley
- Salt and pepper to taste
Instructions:
- Preheat oven to 400°F (200°C).
- Mix melted butter, garlic, lemon juice, zest, parsley, salt, and pepper.
- Brush mixture over halibut fillets.
- Bake 12–15 minutes until fish flakes easily.
- Serve hot with lemon wedges.
This garlic lemon butter halibut is tender, rich, and low-carb.
It’s perfect for a quick, healthy dinner.
Every bite delivers flaky halibut with aromatic garlic and bright lemon flavor.
A satisfying and nutritious dish.
Keto Pan-Seared Tilapia with Herbs
This low carb pan-seared tilapia is crispy on the outside, tender on the inside, and aromatic.
Tilapia fillets are seasoned with herbs and seared in olive oil for a quick, healthy meal.
Perfect for low-carb lunches or dinners.
Each bite delivers moist fish with a flavorful, golden crust and fresh herb aroma.
Ingredients:
- 2 tilapia fillets
- 2 tbsp olive oil
- 1 tsp dried thyme
- 1 tsp dried oregano
- Salt and pepper to taste
- 1 tbsp lemon juice
- Fresh parsley for garnish
Instructions:
- Heat olive oil in a skillet over medium-high heat.
- Season tilapia with thyme, oregano, salt, and pepper.
- Sear fish 3–4 minutes per side until golden and cooked through.
- Drizzle with lemon juice and garnish with parsley.
- Serve immediately.
This pan-seared tilapia is crispy, flavorful, and low-carb.
It’s perfect for a quick, healthy meal.
Every bite delivers tender fish with aromatic herbs and a golden crust.
A satisfying and nutritious dish.
Lemon Dill Baked Salmon
This low carb lemon dill baked salmon is light, aromatic, and full of flavor.
Salmon fillets are coated with fresh dill, garlic, and lemon, then baked until perfectly tender.
Perfect for a quick, healthy dinner.
Each bite delivers moist salmon with bright lemon and fragrant dill.
Ingredients:
- 2 salmon fillets
- 2 tbsp olive oil
- 2 cloves garlic, minced
- 2 tbsp lemon juice
- 1 tsp lemon zest
- 1 tsp fresh dill, chopped
- Salt and pepper to taste
Instructions:
- Preheat oven to 400°F (200°C).
- Mix olive oil, garlic, lemon juice, zest, dill, salt, and pepper.
- Brush mixture over salmon fillets.
- Bake 12–15 minutes until salmon flakes easily.
- Serve hot.
This lemon dill salmon is tender, flavorful, and low-carb.
It’s perfect for a healthy, quick dinner.
Every bite delivers flaky salmon with bright lemon and fragrant dill.
A satisfying and nutritious dish.
Spicy Cajun Blackened Cod
This low carb spicy Cajun blackened cod is bold, smoky, and full of flavor.
Cod fillets are coated with Cajun spices and seared in a hot skillet until crisp and aromatic.
Perfect for a quick low-carb dinner.
Each bite delivers tender cod with a spicy, smoky crust and juicy interior.
Ingredients:
- 2 cod fillets
- 1 tsp paprika
- 1/2 tsp cayenne pepper
- 1/2 tsp garlic powder
- 1/2 tsp onion powder
- 1/2 tsp dried thyme
- Salt and pepper to taste
- 2 tbsp olive oil
Instructions:
- Mix paprika, cayenne, garlic powder, onion powder, thyme, salt, and pepper.
- Rub spice mixture over cod fillets.
- Heat olive oil in a skillet over medium-high heat.
- Sear fish 3–4 minutes per side until blackened and cooked through.
- Serve immediately.
This Cajun blackened cod is bold, smoky, and low-carb.
It’s perfect for a quick, flavorful dinner.
Every bite delivers tender fish with a spicy crust.
A satisfying and healthy dish.
Keto Garlic Butter Shrimp with Zucchini Noodles
This low carb garlic butter shrimp with zucchini noodles is savory, aromatic, and filling.
Shrimp are sautéed in garlic butter and tossed with tender zucchini noodles for a healthy, quick dinner.
Perfect for low-carb lunches or dinners.
Each bite delivers juicy shrimp with rich garlic flavor and tender, fresh zucchini noodles.
Ingredients:
- 1 lb shrimp, peeled and deveined
- 2 medium zucchinis, spiralized
- 3 tbsp butter
- 3 cloves garlic, minced
- Salt and pepper to taste
- 1 tbsp lemon juice
- Fresh parsley for garnish
Instructions:
- Heat butter in a skillet over medium heat.
- Sauté garlic until fragrant, about 1–2 minutes.
- Add shrimp and cook 3–5 minutes until pink and opaque.
- Toss in zucchini noodles and cook 2–3 minutes until tender.
- Season with salt, pepper, and lemon juice.
- Garnish with parsley and serve.
This garlic butter shrimp with zucchini noodles is flavorful, savory, and low-carb.
It’s perfect for a quick, healthy dinner.
Every bite delivers tender shrimp with aromatic garlic and fresh zucchini.
A satisfying and nutritious meal.