7 Simple Keto Fish Recipes Ideal for Quick Healthy Meals

You want quick, healthy, flavorful meals that don’t hijack your entire evening, right?
I hear you.

Fish is one of those gorgeous ingredients that always feels fancy but cooks faster than most side dishes.
And when you pair it with keto-friendly ingredients—creamy sauces, bright herbs, buttery veggies—you get meals that taste like you tried way harder than you actually did.

These seven simple keto fish recipes hit that sweet spot between “I want something delicious” and “I refuse to stand in the kitchen for an hour.”
Perfect for busy women who love good food and refuse to settle for boring dinners.

1. Lemon Butter Salmon with Crispy Garlic Edges

This dish is the definition of effortless luxury—rich buttery salmon, a punch of lemon, and crispy browned garlic that tastes way fancier than the five minutes it took to throw together.
Every time I make this, someone in the room asks, “What smells so good?” and honestly, I feel like I’ve won an award.

The fish turns flaky and tender while the edges caramelize just enough to make you feel like a pro chef.
And if you’ve ever had a rough day, this is the kind of dinner that makes everything feel slightly more manageable.

Ingredients

  • 4 salmon fillets
  • 3 tbsp butter
  • 3 cloves garlic, sliced
  • 1 lemon (zest + juice)
  • Salt and black pepper
  • Fresh parsley

Step-by-Step Instructions

  1. Pat the salmon dry and season both sides with salt and pepper.
  2. Heat butter in a pan until it foams, then toss in the garlic slices.
  3. Lay the salmon in the pan, skin side down, and cook until the edges turn crisp.
  4. Flip, drizzle with lemon juice, and cook until flaky.
  5. Finish with lemon zest and parsley.

Why You’ll Love It

You get restaurant-level flavor in under 15 minutes, and IMO, the lemon-garlic combo never gets old.
Plus, this works with frozen salmon too—just thaw it quickly in water.

Tips

  • Quick Tip: Add a pinch of smoked paprika for deeper flavor.
  • Serving Idea: Pairs amazingly with roasted broccoli or buttery asparagus.

2. Creamy Dijon Cod for Busy Weeknights

Cod is mild, flaky, and honestly underrated in the keto world.
This creamy Dijon version gives it bold personality without overpowering its delicate texture.

I first made this when I had “nothing in the fridge” except mustard, cream, and a lonely pack of cod.
Shockingly, it became one of my favorite quick meals.

Ingredients

  • 4 cod fillets
  • 1 cup heavy cream
  • 1 tbsp Dijon mustard
  • 1 tsp garlic powder
  • 1 tsp onion powder
  • Salt and pepper
  • 1 tbsp butter

Step-by-Step Instructions

  1. Season the cod with salt, pepper, garlic, and onion powder.
  2. Sear it in butter until the edges turn golden.
  3. Whisk cream and Dijon together, then pour over the fish.
  4. Simmer until the sauce thickens and the cod becomes flaky.

Why You’ll Love It

This sauce is rich and velvety without feeling heavy, and it tastes incredible on cauliflower mash.
Every bite gives you creamy comfort without carb guilt.

Tips

  • Quick Tip: A squeeze of lemon brightens the entire dish.
  • Serving Idea: Serve with sautéed spinach for a clean, balanced meal.

3. Spicy Keto Tuna Cakes with Herb Mayo

These tuna cakes are crispy outside, tender inside, and just spicy enough to make you feel alive.
They’re perfect for using pantry staples, and yes—they taste way better than the average tuna recipe.

I once made these for a friend who claimed she “hated tuna,” and she ended up eating four.
So that should tell you everything.

Ingredients

  • 2 cans tuna (drained)
  • 2 eggs
  • 1/3 cup almond flour
  • 1 tbsp hot sauce
  • 1 tsp garlic powder
  • 1 tsp paprika
  • Salt and pepper
  • Oil for frying
  • Herb mayo (mayo + chopped herbs)

Step-by-Step Instructions

  1. Combine tuna, eggs, almond flour, hot sauce, and spices.
  2. Form patties with your hands.
  3. Fry in hot oil until crispy and golden on both sides.
  4. Serve with herb mayo on top.

Why You’ll Love It

These cook insanely fast and store beautifully, which makes them ideal for keto meal prep.
They also taste so good you’ll forget they’re low-carb.

Tips

  • Quick Tip: Add chopped jalapeños for extra heat.
  • Serving Idea: Serve on lettuce wraps with sliced avocado.

4. Garlic Butter Shrimp with Zucchini Ribbons

Shrimp cooks in minutes, which is amazing when hunger hits aggressively at 7 p.m.
This garlic butter version feels both light and indulgent, especially when you toss everything with tender zucchini ribbons.

It’s the kind of meal that makes you say, “Why don’t I cook shrimp more often?”

Ingredients

  • 1 lb shrimp (peeled and deveined)
  • 3 tbsp butter
  • 3 cloves garlic, minced
  • 2 medium zucchini (made into ribbons)
  • 1 tbsp lemon juice
  • Salt, pepper, chili flakes

Step-by-Step Instructions

  1. Season shrimp with salt, pepper, and chili flakes.
  2. Melt butter in a skillet and sauté garlic until fragrant.
  3. Add shrimp and cook until pink.
  4. Toss in zucchini ribbons and lemon juice.
  5. Cook until the zucchini softens slightly.

Why You’ll Love It

This tastes like something you’d order at a beachside restaurant.
But you made it in 12 minutes while wearing fluffy socks.

Tips

  • Quick Tip: Add a splash of white wine to lift the sauce.
  • Serving Idea: Great with a side of grilled asparagus.

5. Baked Herb-Crusted Tilapia with Parmesan Crunch

If you need a recipe that basically cooks itself, tilapia is your hero.
This herb-parmesan crust gives it crispy edges that feel indulgent while staying totally keto-friendly.

The first time I made this, the smell of roasting herbs made my kitchen feel like a fancy café.
It’s simple, but it hits all the right notes.

Ingredients

  • 4 tilapia fillets
  • 1/2 cup grated Parmesan
  • 1 tsp dried basil
  • 1 tsp dried oregano
  • 1 tsp garlic powder
  • Salt and pepper
  • Olive oil

Step-by-Step Instructions

  1. Lay tilapia on a baking sheet and pat dry.
  2. Mix Parmesan, basil, oregano, garlic powder, salt, and pepper.
  3. Brush fish with olive oil and coat with the herb mixture.
  4. Bake at 400°F (200°C) for 12–14 minutes.
  5. Broil for 2 minutes for extra crispiness.

Why You’ll Love It

The crust gives satisfying crunch without breadcrumbs, and the herbs make the whole thing smell incredible.
Plus, cleanup is minimal—always a win.

Tips

  • Quick Tip: Add crushed pork rinds for extra crunch.
  • Serving Idea: Serve with a lemony side salad or roasted Brussels sprouts.

6. Coconut-Lime Mahi Mahi with Tropical Vibes

If you want a recipe that makes you feel like you’re on vacation (without spending a dime), this coconut-lime mahi mahi is it.
It’s creamy, bright, slightly sweet from the coconut milk—basically a tropical hug in dinner form.

I once made this during monsoon season just to pretend the weather wasn’t terrible.
Worked like magic.

Ingredients

  • 4 mahi mahi fillets
  • 1 cup coconut milk
  • 1 lime (zest + juice)
  • 1 tsp garlic powder
  • 1 tsp ginger powder
  • Salt and pepper
  • 2 tbsp coconut oil

Step-by-Step Instructions

  1. Season the fish with salt, pepper, ginger, and garlic.
  2. Sear the fillets in coconut oil until golden.
  3. Pour in coconut milk and lime juice.
  4. Simmer until the fish becomes tender.
  5. Add lime zest before serving.

Why You’ll Love It

It’s creamy without feeling heavy, and the lime cuts through beautifully.
Great for anyone who loves bright, refreshing meals that feel special.

Tips

  • Quick Tip: Add a pinch of curry powder for warmth.
  • Serving Idea: Serve over sautéed cabbage or cauliflower rice.

7. Butter-Seared Haddock with Fresh Dill and Capers

This haddock recipe is simple but ridiculously flavorful thanks to the capers and loads of fresh dill.
It gives you that briny, buttery punch without being overwhelming.

If you’re someone who likes simple flavors but still wants something special, this one will live on repeat.

Ingredients

  • 4 haddock fillets
  • 2 tbsp butter
  • 1 tbsp olive oil
  • 1 tbsp capers
  • Fresh dill
  • Salt and pepper
  • 1 lemon

Step-by-Step Instructions

  1. Season the haddock with salt and pepper.
  2. Heat butter and oil in a skillet.
  3. Sear the fillets until golden and flaky.
  4. Add capers and a squeeze of lemon.
  5. Finish with a generous amount of fresh dill.

Why You’ll Love It

The capers add tangy bursts of flavor that balance the buttery fish beautifully.
It’s classy, quick, and easy to customize.

Tips

  • Quick Tip: Use ghee instead of butter for richer flavor.
  • Serving Idea: Try it with roasted zucchini or a creamy cauliflower mash.

Final Thoughts

Keto fish dinners don’t need to be complicated, and these seven recipes prove it.
Each dish gives you bold flavor, quick cooking time, and satisfying textures that keep low-carb meals exciting.

Whether you crave creamy sauces, tropical freshness, or crispy edges, you have a recipe here that fits your mood.
Use these on busy nights, lazy Sundays, or anytime you want something healthy that still tastes amazing.