1. Bake fish according to package directions.
2. Meanwhile, combine 1 cup peaches, mayonnaise, sugar, garlic and cayenne pepper in the work bowl of food processor; mix until well chopped. Season to taste with salt. Refrigerate until ready to use.
3. Spread about 2 tablespoons coleslaw on each bun. Top each with a lettuce leave, tomato slice, fish fillet and about 2 tablespoons peach remoulade.