01 -
Thaw frozen bread dough and allow it to rise according to package instructions.
02 -
Dice onions, green peppers, and mushrooms. Saute them in a skillet with 1 tablespoon of butter.
03 -
Preheat the oven to 375°F and line a jellyroll pan with parchment paper or spray it with nonstick spray.
04 -
Roll the risen bread dough into a 12 x 18 inch rectangle, ensuring an even surface.
05 -
Mix mayonnaise with garlic powder and spread the mixture evenly over the rolled-out dough, leaving a 1/2-inch border.
06 -
Add a layer of sliced deli roast beef, followed by sauteed vegetables, and then a layer of provolone cheese.
07 -
Roll the dough tightly in a jelly-roll style. Adjust cheese placement if needed, folding edges over the middle for a compact roll.
08 -
Melt the remaining tablespoon of butter and brush it over the surface of the rolled stromboli. Sprinkle with dried parsley, garlic salt, and sesame seeds.
09 -
Bake in the preheated oven for 15-20 minutes until golden brown and heated through.