These Mini Italian Sub Sandwiches are the perfect bite-sized treat for any gathering. They feature layers of savory ham, salami, and provolone cheese, topped with fresh tomatoes, lettuce, banana pepper rings, and red onion, all nestled in slider rolls spread with a flavorful mayonnaise, garlic, and oregano mixture. Easy to assemble and full of delicious flavors, these mini sandwiches are sure to be a hit with everyone.