3 tablespoons yellow cornmeal (such as bob's red mill) |
1 tablespoon chili powder |
1 teaspoon ground cumin |
1/2 teaspoon ground coriander |
1/4 teaspoon salt |
1/8 teaspoon ground red pepper |
4 (6-ounce) tilapia fillets |
cooking spray |
4 teaspoons butter, softened |
1 teaspoon grated lime rind |
1/2 teaspoon fresh lime juice |
1 (10-ounce) gluten-free baguette, halved lengthwise, toasted, and cut into 4 pieces |
1 cup shredded red leaf lettuce |
8 (1/4-inch-thick) slices tomato |