Fish Tacos

30 minTotal
4Servings
227Calories
15 minPrep
Fish Tacos

These fish tacos are light, bright, and bursting with fresh flavors — flaky seasoned fish, crunchy cabbage slaw, creamy avocado, and a zesty lime crema all wrapped in a warm tortilla. They're the perfect weeknight dinner that feels like a vacation.

Fish Tacos

Healthy Keto Fish Tacos

These Healthy Keto Fish Tacos are a delicious, low-carb alternative to traditional fish tacos. Made with fresh white fish, vibrant vegetables, and keto-friendly taco shells, they are packed with flavor and nutrients. Perfect for a quick and healthy weeknight dinner.
Prep Time 15 minutes
Cook Time 15 minutes
Total Time 30 minutes
Course Main Course
Servings 4
Calories 227 kcal

Equipment

  • Oven
  • Baking sheet
  • Parchment paper
  • Small bowl
  • Knife and cutting board
  • Measuring spoons

Ingredients
  

For the Fish:

  • 1 lb white fish fillets cod, tilapia, or halibut
  • 2 tbsp olive oil
  • 1 tsp paprika
  • 1 tsp cumin
  • 1/2 tsp garlic powder
  • 1/2 tsp onion powder
  • 1/2 tsp salt
  • 1/4 tsp black pepper
  • 1 lime juiced

For the Toppings:

  • 1 cup purple cabbage thinly sliced
  • 1 cup cherry tomatoes halved
  • 1 avocado diced
  • 1/4 cup fresh cilantro chopped
  • 1/4 cup red onion finely diced
  • 1 lime cut into wedges

For the Keto Tacos:

  • For the Keto Tacos:

Instructions
 

Prepare the Fish:

  • Preheat the oven to 400°F (200°C).
  • In a small bowl, mix together the olive oil, paprika, cumin, garlic powder, onion powder, salt, and black pepper.
  • Brush the fish fillets with the olive oil mixture, ensuring they are well-coated.
  • Place the fish on a baking sheet lined with parchment paper.
  • Bake for 12-15 minutes, or until the fish is cooked through and flakes easily with a fork.
  • Squeeze fresh lime juice over the baked fish.

Prepare the Toppings:

  • While the fish is baking, prepare the toppings.
  • Thinly slice the purple cabbage and halve the cherry tomatoes.
  • Dice the avocado and finely chop the red onion.
  • Roughly chop the fresh cilantro.

Assemble the Tacos:

  • Warm the keto-friendly taco shells according to package instructions.
  • Break the baked fish into bite-sized pieces.
  • Fill each taco shell with a portion of fish.
  • Top with purple cabbage, cherry tomatoes, avocado, red onion, and cilantro.
  • Serve with lime wedges on the side.

Serve and Enjoy:

  • Serve and Enjoy:
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Frequently Asked Questions About Fish Tacos

A firm white fish that holds together in a pan — cod, mahi mahi, halibut or tilapia all work. Delicate fish like sole falls apart when you turn it. Cod is the usual choice for the balance of price and texture.

Pat it dry, get the pan properly hot before the fish goes in, and turn it only once. Moving it repeatedly is what breaks it up. Cut into large pieces and flake it after cooking rather than before.

These are, at 227 calories a serving. Fish tacos become unhealthy when the fish is battered and deep fried and the sauce is mayonnaise based. Grilled or pan-seared fish with a yogurt-based sauce keeps them light.

Pro tip

Pat the fish completely dry and season generously before cooking. Use a hot pan with a thin layer of oil — don't touch the fish for 3 minutes to get a golden crust. It should release naturally when it's ready to flip.

Why this recipe works

Fish tacos are one of the most nutritious and delicious ways to get more seafood into your diet.

White Fish

  • Lean protein source that's low in saturated fat
  • Rich in B vitamins and selenium for metabolism and immune support
  • Mild flavor makes it accessible even for non-seafood lovers

Cabbage Slaw & Avocado

  • Raw cabbage provides vitamin C, fiber, and cancer-fighting compounds
  • Avocado adds heart-healthy fats and potassium
  • Lime juice provides vitamin C and enhances iron absorption from the fish
Nutrition
Calories227
Per serving · makes 4

Serving Suggestions & Storage

How to Serve

Warm corn or flour tortillas, layer with fish, slaw, avocado, and drizzle with lime crema. Serve with lime wedges, pickled onions, and fresh cilantro. Mexican rice or black beans on the side.

How to Store

Store cooked fish and slaw separately for up to 2 days. Assemble tacos fresh when ready to eat. Fish doesn't freeze well after cooking for taco use.

Frequently asked questions

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