1. Preheat broiler.
2. Arrange bread slices in a single layer on a baking sheet. Broil bread 2 minutes on each side or until toasted.
3. Combine mayonnaise, basil, mustard, and garlic; spread mayonnaise mixture evenly over 4 bread slices. Layer 1/4 cup lettuce and 2 tomato slices over each serving; top evenly with prosciutto and remaining bread.
Fruit salad: Combine 1 teaspoon fresh lime rind, 1 tablespoon fresh lime juice, 1 tablespoon honey, and a dash of salt; drizzle over 4 cups mixed precut fruit.