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Raw ingredients for sheet pan halibut tacos including fresh fish, peppers, and Greek yogurt.

Sheet Pan Halibut Tacos with High-Protein Lemon-Dill Crema

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Prep Time 10 minutes
Cook Time 15 minutes
Servings: 4
Course: Main Course
Cuisine: Mediterranean
Calories: 345
Ingredients Method Notes

Ingredients
  

  • For the Fish & Veggies:
  • 1.5 lbs Halibut fillets skin removed and cubed
  • 2 Bell peppers any color, sliced thin
  • 1 Red onion sliced into half-moons
  • 2 tbsp Extra virgin olive oil
  • 1 tsp Paprika
  • 1 tsp Cumin
  • 1/2 tsp Garlic powder
  • Salt and pepper to taste
  • For the High-Protein Crema:
  • 1/2 cup Plain Greek yogurt
  • 2 tbsp Fresh dill chopped
  • 1 tbsp Lemon juice
  • 1 clove Garlic minced
  • For Serving:
  • 8-12 Small corn or flour tortillas
  • Fresh lime wedges and shredded cabbage

Method
 

  1. Preheat oven to 400°F (200°C) and line a sheet pan with parchment.
  2. Toss halibut, peppers, and onions with olive oil and spices on the pan until coated.
  3. Roast for 12–15 minutes until fish is flaky and veggies are tender.
  4. Whisk crema ingredients in a small bowl while fish bakes.
  5. Char tortillas over an open flame or in a skillet for 30 seconds per side.
  6. Assemble by layering veggies, fish, and a heavy drizzle of crema. Enjoy!

Notes

    • Dry the Fish: Pat halibut thoroughly with paper towels before seasoning. Excess moisture prevents roasting and makes the fish mushy.
       
    • Even Slicing: Slice peppers and onions thinly and uniformly so they soften in the same 12–15 minute window as the fish.
    • High Heat is Key: Ensure the oven is fully preheated to 400°F (200°C). This high heat develops flavor quickly without drying out the lean halibut.
    • Crema Consistency: If using extra-thick Greek yogurt, add a teaspoon of water or olive oil to the halibut taco sauce until it reaches a "drizzle" consistency.
    • Warm the Base: Always toast tortillas over a gas flame or in a hot dry skillet for 30 seconds. Cold tortillas will break under the weight of the toppings.
    • Variation: For a "Low Carb" or "Keto" Mediterranean option, swap tortillas for large Romaine lettuce leaves or butter lettuce cups.