Combine Mayonnaise and Pesto in a bowl and stir with a whisk.
Spread 2 tablespoons Pesto Mixture onto 1 side of each bread slice. Layer each slice with 1 Ham slice, 2 Tomato Slices, 8 slices of Peppers and 1 Cheese Slice.
Place on a baking sheet, broil 3 minutes or until cheese melts. Sprinkle with Pepper.