Warm Lime Fish Tostadas with Avocado and Cucumber
Tender lime-poached fish, cool cucumber and creamy avocado pile onto crisp corn tostadas. Fresh parsley keeps each bite bright and mellow.
Fits Celiac, Hashimoto's, PCOS and 10 more diets
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Ingredients
- 450 g firm white fish fillets, boneless, cut into small pieces
- ½ cup lime juice
- 1 avocado, diced
- 1 cucumber, finely diced
- 2 tbsp red onion, finely minced
- 2 tbsp fresh parsley, chopped
- 1 tbsp olive oil
- 6 gluten-free corn tostadas
Method
- Poach fish in lime juice until opaque and 145°F/63°C.10 min timer
- Stir cucumber, onion, parsley, and olive oil together.
- Fold fish and avocado gently into the cucumber mixture.
- Spoon ceviche onto tostadas just before serving.
Why it works
- Crohn's or colitis: Mild lime-poached fish and finely diced cucumber keep the topping gentle.
- Wheat allergy: Gluten-free corn tostadas replace wheat-based shells.
- Soy allergy: Fish, vegetables and olive oil make up the topping.
- Shellfish allergy: White fish is the only seafood in this dish.
- Gluten-free: Gluten-free corn tostadas and fresh ingredients keep wheat, barley and rye out.
- Dairy-free: Fish and vegetables are dressed with olive oil, with no dairy.
- Anti-inflammatory: White fish, avocado, vegetables and olive oil make a fresh, simply seasoned meal.
- No pork: White fish and vegetables are the only main ingredients.
- Tree nut allergy: Fish, corn tostadas and vegetables contain no tree nuts.
- Milk allergy: Fish and vegetables are served without milk or cheese.
Celiac check: watch for hidden gluten in soy sauce, stock, malt vinegar and seasoning blends, and oats that aren’t certified. Gluten gives food ideas, not medical advice: always check labels for allergens and cross-contact.
Cooking for more than one diet?
Add everyone you cook for, with their allergies, diets and ages. Gluten checks this recipe for each of them and tells you what to change for anyone who can’t eat it as written. It’s free.
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This recipe also fits: Hashimoto's recipes, PCOS recipes, Anti-inflammatory recipes, Dairy-free recipes, Alpha-gal recipes, Diabetes recipes, High blood pressure recipes, Heart health recipes, Gluten-free recipes, Crohn’s and colitis recipes, High cholesterol recipes, Low-GI recipes, Quick recipes, Gluten-free dairy-free recipes, Gluten-free Mexican recipes.

