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This light and refreshing Grapefruit Flounder Ceviche is a cold seafood salad that's perfect for hot summer days!
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5 from 5 votes

Fish Ceviche with Grapefruit + Flounder

Light, No Cook Summer Seafood Meal or Appetizer
Prep Time5 minutes
Cook Time15 minutes
Total Time20 minutes
Course: Appetizer, Main Course, Salad
Cuisine: American
Diet: Gluten Free
Servings: 2 people
Calories: 789kcal

Ingredients

Grapefruit Flounder Ceviche:

  • 2 flounder fillets (~4 oz each) See recipe notes
  • ½ teaspoon sea salt
  • ½ grapefruit, juiced (~½ cup juice), plus 1 tsp grapefruit juice
  • ¼ cup cherry tomatoes, diced
  • ¼ cup finely diced red onion
  • ½ avocado, cut into small cubes

Yogurt Sauce:

  • ¼ cup whole milk plain yogurt
  • teaspoon salt
  • 2 teaspoon honey

To Serve (Optional):

  • large lettuce leaves (for lettuce wraps), crackers

Instructions

  • Dice flounder into small, even, bite-size pieces with a sharp knife.  Place flounder in a bowl, sprinkle with salt, and cover with grapefruit juice (reserving 1 tsp juice for the yogurt sauce).  
  • Let the flounder marinate in the grapefruit juice for 10-15 minutes at room temperature, or until the fish has become opaque white and tears easily. 
  • Drain the grapefruit juice from the fish, and add the tomatoes, onion, and avocado.  Stir all the ingredients together.
  • Mix yogurt, salt, honey, and the remaining 1 tsp of grapefruit juice together.
  • Serve sauce mixed in with ceviche, on the side, or drizzled on top. Serve ceviche on its own, in lettuce wraps, or with crackers. Refrigerate if not using immediately.
  • Make Ahead / Leftovers: Ceviche can be stored in the fridge and used within 2-3 days.

Notes

Use only commercially deep-frozen fish for this recipe.

Nutrition

Calories: 789kcal | Carbohydrates: 21g | Protein: 115g | Fat: 26g | Saturated Fat: 6g | Polyunsaturated Fat: 4g | Monounsaturated Fat: 10g | Trans Fat: 1g | Cholesterol: 409mg | Potassium: 1891mg | Fiber: 5g | Sugar: 13g | Vitamin A: 1228IU | Vitamin C: 31mg | Calcium: 254mg | Iron: 2mg