This roundup of the best low carb seafood recipes is built for real life. Get recipes for weeknights, meal prep, “I forgot to thaw anything,” and “I need something fancy, but I don’t want to work that hard.” You’ll find easy low carb shrimp recipes, salmon that doesn’t taste like diet food, flaky white fish dinners, and a few shellfish and tuna options that keep things exciting.
Why You’ll Love These Spectacular Seafood Recipes
- Naturally low carb (without trying). Most fish and shellfish are already carb-free, so you’re not doing weird ingredient gymnastics.
- Fast weeknight cooking. Shrimp, salmon, and white fish often cook in 10–20 minutes, which is basically dinner magic.
- Big flavor, minimal effort. Garlic butter, lemon-caper, pesto, and spicy sauces make seafood taste restaurant-level with simple pantry staples.
- High-protein and satisfying. Seafood keeps you full and works great for balanced low carb meals.
Low carb seafood recipes are quick, flavorful, and naturally carb-light, making it easy to eat well without feeling restricted.
What Makes Seafood Good For Low Carb Eating?
Seafood is naturally low in carbohydrates, high in protein, and packed with nutrients like omega-3s (especially fatty fish like salmon and sardines). More importantly? It’s fast. Most seafood dishes go from raw to done in 10–20 minutes. That’s dangerously convenient.
Low carb seafood meals also tend to be:
- Easy to pair with veggies (asparagus, zucchini, cauliflower rice, slaws)
- Sauce-friendly (garlic butter, lemon caper, creamy dill, spicy mayo)
- Great for meal prep (especially shrimp and salmon)
What Seafood Is Best For Low Carb Diets?
Most seafood is naturally great for low carb diets because it’s essentially carb-free on its own. So, the “best” choices are the ones you enjoy and can cook consistently.
Salmon is a top pick for its healthy fats and omega-3s, while shrimp, cod, halibut, and other white fish are lean, quick-cooking options that pair well with low carb sauces.
Tuna (fresh or canned), sardines, and mackerel are also excellent for protein and fats, and scallops, mussels, and crab work well for variety and “fancy” meals (just watch added sugars in sauces).
The main thing to avoid isn’t the seafood, it’s the breading, sweet glazes, and sugary marinades, which can sneak carbs into an otherwise low carb meal.
Can I Use Frozen Seafood?
Yes, you can absolutely use frozen seafood in low carb seafood recipes, and in several recipes, it’s even recommended for convenience.
The key is matching the seafood to the method. For roasting/air frying/sheet-pan cooking, thaw the seafood completely and pat it dry so you don’t end up with excess moisture that prevents browning (and can water down the dish).
For some pressure cooker/Instant Pot recipes, frozen seafood can work especially well. There are recipes that call for adding frozen fish directly, and some that specifically say not to thaw frozen shrimp because it helps avoid overcooking.
And for more delicate techniques like fish en papillote, fresh or fully thawed fish cooks more evenly since frozen fish can release extra water and affect texture.
This Instant Pot Keto Creamy Shrimp Scampi is a fast, flavorful low carb dinner made with buttery garlic scampi sauce, red pepper flakes, paprika, and tender shrimp, finished creamy with half and half or Parmesan. Ready in about 15 minutes, this easy shrimp scampi recipe is perfect over low carb noodles or veggies for a quick weeknight meal.
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This Shrimp with Coconut Milk recipe is an easy low carb, high protein dinner with juicy shrimp simmered in full-fat coconut milk and warm Indian spices like garam masala, turmeric, and cayenne for a lightly sweet, boldly seasoned sauce. Make it fast in the Instant Pot using pot-in-pot or cook it on the stovetop in about 10 minutes, then serve over cauliflower rice for a simple keto-friendly meal.
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This Instant Pot Cioppino recipe makes a rich, restaurant-style seafood stew with a savory tomato and white wine broth loaded with tender seafood and veggies for a comforting, low carb dinner. Ready in about 30 minutes, this easy cioppino seafood stew is perfect for busy weeknights or impressing guests with big coastal flavor.
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This Tomato Mayonnaise Shrimp is a quick air fryer shrimp recipe where juicy shrimp get tossed in a creamy, spicy sauce made with mayo, ketchup, garlic, sriracha, paprika, and salt. Air fry at 325°F for about 8 minutes, then finish with chopped scallions for an easy weeknight dinner or party appetizer with big flavor.
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This Instant Pot Fish Saag is a quick, flavorful Indian fish curry made with tender fish, spinach, and creamy coconut milk, all seasoned with warm spices like garam masala, turmeric, and cayenne. Ready in about 15 minutes, this easy low carb, gluten-free, keto-friendly fish saag is perfect for a fast weeknight dinner with big restaurant-style flavor.
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This Smoked Salmon and Cheese Appetizer, also called a Smoked Salmon Timbale, is an elegant low carb starter you can assemble in about 15 minutes by layering silky cold-smoked salmon with a creamy mascarpone cheese mixture. With only 1 net carb per serving, it’s a show-stopping party appetizer that tastes fancy but is easy to make with simple ingredients like capers, chives, and lemon juice.
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This Shrimp and Asparagus Gribiche is a quick, easy keto meal featuring tender shrimp and crisp asparagus topped with a tangy French-style gribiche sauce made from chopped hard-boiled eggs emulsified with mustard and olive oil. Ready in under 30 minutes, this low carb shrimp and asparagus recipe is perfect for a light lunch or weeknight dinner with bright, briny flavor from pickles, parsley, and lemon.
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This Crazy Good Salmon Cream Cheese Dip is a quick, creamy salmon dip made with canned salmon, cream cheese, and smoky seasonings for an easy appetizer that tastes like it came from a deli. Ready in minutes, this low carb party dip is perfect with crackers, cucumbers, celery sticks, or toasted bread for game day and gatherings.
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This Instant Pot Crustless Crab Quiche is a light, fluffy, low carb quiche made with eggs, half and half, herbs, cheese, green onions, and tender crab for an easy protein-packed meal. Cook it in the pressure cooker or bake it in the oven for a delicious gluten-free brunch, lunch, or quick snack that tastes restaurant-worthy.
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This Air Fryer Spicy Crab Dip is a quick, low carb appetizer made with cooked crab, mayonnaise, jalapeño jack cheese, scallions, and hot sauce, then air fried until hot, melty, and bubbly in just minutes. Finish it with lemon juice and parsley for a bright, crave-worthy seafood dip that’s perfect for parties, game day, or an easy snack with veggies, crackers, or toasted bread.
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This Instant Pot Ginger Scallion Fish is a fast, restaurant-style Chinese steamed fish recipe where tender white fish is marinated in a savory soy, rice wine, and black bean sauce, then pressure-steamed on low for just 2 minutes. Finished with fragrant ginger, scallions, and cilantro, this easy steamed fish delivers light, flaky texture and bold flavor that’s perfect over rice or cauliflower rice.
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These Tomato Basil Scallops are an easy air fryer seafood dinner with jumbo sea scallops cooked over spinach and finished in a rich tomato basil cream sauce for a restaurant-style meal at home. Ready in about 15 minutes, this keto low carb scallops recipe is perfect for a fast weeknight dinner that still feels fancy.
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This Keto Shrimp and Grits recipe gives you all the cozy Southern comfort of the classic dish by swapping traditional grits for creamy cauliflower grits blended with butter and Parmesan. Topped with Cajun-seasoned shrimp cooked with garlic, cream, lemon juice, and parsley, this easy low carb dinner is ready in about 30 minutes.
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This Cajun Shrimp and Sausage recipe is a buttery, spicy, lemony one-pan dinner that combines tender shrimp and smoky sausage with garlic, Cajun seasoning, and a splash of hot sauce for bold Louisiana flavor. Ready in under 20 minutes, it’s an easy keto and low carb skillet meal with just 1 carb per serving and about 20 grams of protein.
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This Mediterranean Shrimp with Feta and Olives is a fast, flavor-packed skillet dinner featuring juicy shrimp simmered in a rich tomato sauce with garlic, oregano, creamy feta, and briny olives. Ready in under 30 minutes, this easy low carb, gluten-free shrimp recipe is perfect for a quick weeknight meal that tastes restaurant-worthy.
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This Air Fryer Bang Bang Shrimp recipe makes sweet, spicy, tangy shrimp with a light crispy coating, then tosses them in a creamy bang bang sauce made with mayonnaise, Thai sweet chili sauce, and sriracha. Ready in about 40 minutes, it’s an easy restaurant-style shrimp appetizer or quick high-protein dinner you can make at home.
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This Brazilian Moqueca recipe is a fast, flavorful Instant Pot fish stew with tender white fish and veggies simmered in a smoky tomato base, then finished with creamy coconut milk and bright lemon juice. Ready in under 30 minutes, this easy low carb Brazilian fish stew tastes restaurant-worthy and makes the perfect healthy weeknight dinner.
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This Spicy Tuna Salad is an easy keto sushi bowl that delivers all the bold flavor of a spicy tuna roll with no rice and no rolling, just diced sushi-grade tuna, crisp veggies, and a creamy sriracha mayo sauce. Ready in under 30 minutes, this low carb spicy tuna salad is perfect for a quick lunch, light dinner, or high-protein appetizer.
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This Easy Shrimp Scampi recipe makes tender, juicy shrimp tossed in a garlicky lemon butter sauce with red pepper flakes and herbs for a fast, flavor-packed low carb dinner. Made in the air fryer in about 15 minutes total, it’s the perfect quick shrimp scampi for busy weeknights with minimal cleanup.
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This Instant Pot Shrimp with Tomatoes and Feta, also known as Greek Shrimp Saganaki, is a fast, flavor-packed dinner with tender shrimp simmered in a garlicky tomato broth and finished with briny olives and creamy feta. Ready in about 20 minutes, this easy low carb, high protein shrimp recipe is perfect for weeknights and tastes amazing served like a soup with bread or over rice or cauliflower rice.
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This Fish en Papillote recipe is an easy air fryer parchment fish dinner that steams flaky cod with julienned veggies, tarragon, lemon, and buttery herbs right inside a sealed packet for tender, flavorful results. Ready in about 25 minutes with virtually no cleanup, this healthy air fryer fish recipe is perfect for quick weeknight meals that still feel fancy.
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This Creamy Spicy Shrimp recipe is a super simple keto dinner made with just four ingredients, featuring tender shrimp simmered in a thick, spicy Cajun cream sauce. Ready in only 15 minutes, this easy low carb, high protein shrimp recipe is perfect for busy weeknights and tastes amazing over cauliflower rice or veggies.
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This Air Fryer Salmon with Bok Choy recipe delivers a full keto-friendly dinner with crispy-skinned salmon fillets marinated in an orange ginger soy sauce, plus tender baby bok choy and shiitake mushrooms for big umami flavor. Ready in about 30 minutes with easy cleanup, it’s a fast, healthy air fryer salmon recipe that tastes restaurant-worthy on a busy weeknight.
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This Air Fryer Keto Miso Salmon recipe makes tender, flaky salmon glazed in a sweet and savory miso sauce with soy sauce, garlic, ginger, and black pepper for bold Asian-inspired flavor. Cook it fast at 400°F for about 12 minutes, then finish with sesame seeds and scallions for an easy low carb dinner that feels restaurant-worthy.
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This Thai Green Curry Mussels recipe is a quick, flavor-packed seafood dinner with tender mussels simmered in a creamy coconut green curry sauce that’s savory, lightly sweet, and ready in about 30 minutes. Perfect for an easy low carb weeknight meal, these Thai-style mussels taste restaurant-worthy with minimal prep and big bold flavor.
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This Mexican Shrimp Cocktail recipe, also known as coctel de camarones, is a refreshing, zesty appetizer made with tender shrimp in a tangy tomato lime sauce with crisp cucumber, onion, cilantro, and optional avocado for extra creaminess. Serve it chilled with hot sauce and tortilla chips or saltine crackers for an easy party starter that tastes like your favorite Mexican restaurant.
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The best Low carb seafood don’t have to be “plain fish and sadness.” With the right sauces and a few fast methods, you get meals that feel special. Try one recipe this week, then come back and tell me your favorite! Once you find your seafood rotation, low carb gets a whole lot easier.
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