Add Veggies: Layer roasted red peppers, spinach, or thinly sliced onions for extra flavor.
Spicy Version: Use spicy pepperoni or add red pepper flakes for a kick.
Make Ahead: Assemble the sub squares a few hours in advance, cover, and refrigerate until ready to bake.
Dipping Sauces: Serve with marinara sauce, ranch, or extra Italian dressing for dipping.
Final Thoughts:
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