Preheat oven to 350 degrees F. Line a large baking sheet with parchment paper.
Open cans of bread dough and stretch slightly. Place on the center of pan. Connect the 2 rolls at the ends and press dough together. (May do round) Shape dough into a football, oval, shape. Make 5 small cuts around the top of dough with a knife. Brush the olive oil over top. Sprinkle the Italian seasoning and garlic salt evenly over the top.
Bake for about 25 minutes or until light golden brown. Remove from the oven and transfer to a wire cooling rack.
While bread is baking and cooling, prepare the meats, cheeses, and vegetables. Combine the mayonnaise and mustard in a small mixing bowl.
After bread has cooled, slice horizontally with a serrated knife. Lay top aside and place the bottom on cutting board or serving platter. Spread half of mayonnaise mixture on each bread half. Line American cheese around the bottom half of bread. Build layers with the ham, turkey, cheeses, bell peppers, tomatoes, and lettuce. Lightly drizzle with Italian dressing if desired.
Carefully, place top of bread on sandwich. Add long party toothpicks.
Cut into desired size wedges.
This sandwich can be prepared with any combination of meats, cheese, and vegetables. Wrap any leftovers pieces. Refrigerate.