1) Prepare the ingredients
Place an oven rack in the center of the oven; preheat to 450F.
Halve the bread horizontally.
Thinly slice the cheese.
In a bowl, combine the pesto and mayonnaise.
2) Toast the bread
Place the halved bread on a sheet pan, cut side up.
Evenly top one half with the pesto mayo and sliced cheese.
Toast in the oven 7 to 9 minutes, or until the bread is lightly browned and the cheese is melted.
Transfer to a cutting board.
3) Finish & server your dish
Meanwhile, remove the plsatic lining between the slices of prosciutto; tear into bite-sized pieces.
Roughly chop the peppers
Assemble the sandwiches using the toasted bread, chopped peppers and prosciutto pieces. Cut into 8 equal-sized sandwiches. Enjoy!