Grilled Crab and Whitefish Sandwich with Lemon Aioli
A flavorful seafood sandwich stacked with grilled crab meat, whitefish, and a zesty lemon aioli, inspired by Buffalo's seafood sandwiches. This american-inspired sandwiches & wraps ready in about 27 minutes pairs fresh or thawed Crab meat, (6 oz each) Whitefish fillets, Olive oil for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 520 calories and feeds 2, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart.
Ingredients
- 8 oz, fresh or thawed Crab meat
- 2 (6 oz each) Whitefish fillets
- 3 tbsp Olive oil
- 2 tbsp, freshly squeezed Lemon juice
- 1/4 cup Mayonnaise
- 1, minced Garlic clove
- 1 tsp Dijon mustard
- to taste Salt
- to taste Black pepper
- 2, split Ciabatta rolls
- 4 leaves Butter lettuce leaves
- 4 slices Tomato slices
Instructions
- Step 1: Preheat grill or grill pan to medium-high heat. Brush 2 whitefish fillets with 2 tbsp olive oil and season with salt and black pepper. Grill for 4-5 minutes per side until fish flakes easily.
- Step 2: In a small bowl, mix 1/4 cup mayonnaise, 2 tbsp freshly squeezed lemon juice, 1 minced garlic clove, 1 tsp Dijon mustard, and 1 tbsp olive oil. Season with salt and pepper to taste to make lemon aioli.
- Step 3: Warm 2 ciabatta rolls on the grill for 1-2 minutes until slightly toasted.
- Step 4: Lightly toss 8 oz crab meat with a drizzle of olive oil and a pinch of salt.
- Step 5: To assemble each sandwich, spread lemon aioli on both halves of the rolls, layer 2 leaves butter lettuce, 2 slices tomato, half the grilled whitefish fillet (flaked), and half the crab meat.
- Step 6: Close sandwiches and serve immediately with your favorite side.
Frequently asked questions
How long does Grilled Crab and Whitefish Sandwich with Lemon Aioli take to make?
Total time is about 27 minutes (15 min prep + 12 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.
How do I store leftover Grilled Crab and Whitefish Sandwich with Lemon Aioli?
Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep fresh or thawed crab meat from drying out.
Can I substitute ingredients in Grilled Crab and Whitefish Sandwich with Lemon Aioli?
Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.
How do I scale Grilled Crab and Whitefish Sandwich with Lemon Aioli for a different number of people?
The recipe is written for 2 servings. Multiply each ingredient by (your serving target / 2). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.
What goes well with Grilled Crab and Whitefish Sandwich with Lemon Aioli?
American sandwiches & wraps like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.