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Italian Party Sub With Sweet Balsamic Onions And Basil Mayo

Italian Party Sub

Course Appetizer, Main Course, Sandwich
Cuisine American, Italian Inspired
Keyword Italian-party-sub, Italian-sub-recipe
Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
Servings 10 servings (may vary)
Author Melissa Sperka


  • Sub:
  • 1 20 inch Italian or French bread loaf sliced in half
  • 1 lb thinly sliced ham
  • 6 oz sliced hard salami
  • 4 oz sandwich size pepperoni
  • 12 slices provolone cheese
  • ½ teaspoon garlic salt
  • ½ teaspoon Italian seasoning
  • 1 tablespoon olive oil
  • Balsamic Onions:
  • 1 small red onion thinly sliced
  • 2-3 tablespoon white balsamic vinegar
  • ½-1 teaspoon sugar or sugar substitute [to taste]
  • Basil Mayo:
  • ½ cup prepared mayonnaise
  • 2 teaspoon prepared basil pesto [I used Classico]
  • Assorted toppings: lettuce, sliced tomatoes, pepperoncini, olives


  • Preheat the oven to 350°F. Have nearby a large sheet pan.
  • To make Sub: Use a serrated knife to cut the sub through the middle. Remove some of the inside of the bread loaf, and freeze for later use
  • Drizzle both sides of the bread lightly with olive oil, then sprinkle with garlic salt and Italian seasoning.
  • Layer the meats and cheese starting with cheese, ending with deli meats. (Cheese serves as a tasty "glue" so, it's best to end the top layer with meat, so the top piece will be easily removable to add toppings and basil mayo later.)
  • Place the top half on top, and wrap in aluminum foil. Place onto a cookie sheet.
  • Bake in a preheated 350°F oven for 30 minutes.
  • Slice the sub into 2-inch portions and arrange on a platter.
  • Serve with lettuce, sliced tomatoes, mushrooms, pepperocini slices and slice black olives if desired.
  • To Prepare Balsamic Onions: Mix together white balsamic vinegar sweetened to your taste and the sliced onion. Chill well. (This can be done several hours in advance.)
  • Basil Mayonnaise: Mix together mayonnaise and a prepared basil pesto. Refrigerate until serving.


This sub can made ahead of time, then wrapped in aluminum foil and refrigerated for a time saver. Allow to rest on the counter for 15 minutes before baking.