Crispy Fried Grouper Sandwich

Ingredients

• 4 tablespoons sesame oil
• 1/4 cup teriyaki sauce
• 2 tablespoons lemon pepper
• 2 1/2 pounds fresh grouper fillets
• 3/4 cup garbanzo bean flour
• 1/2 cup all-purpose flour
• 1/4 cup panko
• 2 tablespoons garlic powder
• 2 tablespoons onion powder
• 1/4 teaspoon cayenne pepper
• 6 tablespoons butter
• 1 small yellow onion
• 1 cup vegetable oil
• 2 6-inch baguettes
• Chipotle aioli (or you can just blend mayonnaise with canned chipotles)
• 2 iceberg or romaine lettuce leaves
• 4 slices vine-ripe tomato