Fish Ceviche with Grapefruit + Flounder

User Reviews

5

10 reviews
Excellent

Fish Ceviche with Grapefruit + Flounder

This Fish Ceviche uses flounder marinated briefly in fresh grapefruit juice, which cures the fish and imparts a bright, citrusy flavor. Combined with cherry tomatoes, finely diced red onion, and creamy avocado cubes, the ceviche balances tartness, sweetness, and creaminess. A side yogurt sauce sweetened with honey and grapefruit juice adds a cooling contrast. It can be served on its own, in lettuce wraps, or with crackers for a light, refreshing appetizer.

Description

The flounder is diced into small, even pieces and salted, then covered with grapefruit juice to allow the acid to 'cook' the fish for 10-15 minutes until opaque and tender. The marinade is drained before mixing the fish with the diced tomatoes, onions, and avocado for texture and fresh flavor. A yogurt-based sauce made from plain whole milk yogurt, a touch of salt, honey, and reserved grapefruit juice complements the ceviche with a gentle sweetness and creaminess to balance the citrus notes.

Serving options include mixing the sauce directly with the ceviche, serving it on the side for dipping, or drizzling it on top. Lettuce leaves or crackers provide different textures and vessel options. Leftovers can be refrigerated and consumed within 2-3 days, preserving freshness and safety. The protocol of using only commercially deep-frozen fish is essential for food safety in preparing ceviche.

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Ingredients

Servings

Grapefruit Flounder Ceviche:

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

Yogurt Sauce:

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

To Serve (Optional):

  • lettuce large lettuce leaves (for lettuce wraps
  • Cracker large lettuce leaves (for lettuce wraps

Instructions

  1. 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).  
  2. 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. 
  3. Drain the grapefruit juice from the fish, and add the tomatoes, onion, and avocado.  Stir all the ingredients together.
  4. Mix yogurt, salt, honey, and the remaining 1 tsp of grapefruit juice together.
  5. 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.
  6. Make Ahead / Leftovers: Ceviche can be stored in the fridge and used within 2-3 days.

Notes

  • Use only commercially deep-frozen fish to ensure safety when preparing ceviche.
  • Marinate fish in grapefruit juice at room temperature just until it becomes opaque and tears easily, approximately 10-15 minutes.
  • Serve ceviche with yogurt sauce on the side or drizzled on top according to preference.
  • Store leftovers in the refrigerator and consume within 2 to 3 days to maintain freshness and safety.

Nutrition Information

Show Details
Calories 789kcal (39%) Carbohydrates 21g (7%) Protein 115g (230%) Fat 26g (40%) Saturated Fat 6g (30%) Polyunsaturated Fat 4g (24%) Monounsaturated Fat 10g (50%) Trans Fat 1g (50%) Cholesterol 409mg (136%) Potassium 1891mg (40%) Fiber 5g (20%) Sugar 13g (26%) Vitamin A 1228IU (25%) Vitamin C 31mg (34%) Calcium 254mg (25%) Iron 2mg (11%)

Nutrition Facts

Serving: 2people

Amount Per Serving

Calories 789 kcal

% Daily Value*

Calories 789kcal 39%
Carbohydrates 21g 7%
Protein 115g 230%
Fat 26g 40%
Saturated Fat 6g 30%
Polyunsaturated Fat 4g 24%
Monounsaturated Fat 10g 50%
Trans Fat 1g 50%
Cholesterol 409mg 136%
Potassium 1891mg 40%
Fiber 5g 20%
Sugar 13g 26%
Vitamin A 1228IU 25%
Vitamin C 31mg 34%
Calcium 254mg 25%
Iron 2mg 11%

* Percent Daily Values are based on a 2,000 calorie diet.

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