Lay slices of provolone (or mozzarella) over the meats. Make sure the cheese overlaps slightly so it melts into a unified layer instead of separate patches.
6. Add peppers and extras
Scatter banana peppers or roasted red peppers on top. If you like a stronger bite, add a few onions or olives here as well.
7. Season the layers
Sprinkle Italian seasoning, oregano, or a light blend of garlic powder and pepper across the top. This helps recreate the “sub shop” flavor profile after baking.
8. Top with the bread lid
Place the top half of the rolls over everything, aligning it neatly with the bottom layer.
9. Brush the top with garlic butter
Mix melted butter with minced garlic and parsley, then brush it generously over the top of the rolls. This is what gives the final dish its golden, flavorful crust.
10. Bake until golden and melty
Cover the dish loosely with foil and bake for about 15–20 minutes. Then remove the foil and bake another 5–10 minutes until:
- The cheese is fully melted
- The top is lightly golden
- The edges are slightly crisp
11. Rest and slice into squares
Let the dish rest for about 5–10 minutes after baking. This helps everything set so it slices cleanly.
Use a sharp knife to cut into even squares or rectangles, depending on your preference.
Serving Ideas
Italian Sub Squares are best served warm, but they’re also great at room temperature. You can pair them with:
- Marinara sauce for dipping
- A simple green salad
- Potato chips or kettle chips
- Pickles or giardiniera for extra tang
They’re especially popular for parties because they stay tasty even after sitting out for a while.
Tips for the Best Results
- Don’t overload with too much dressing or the bread may become soggy
- Press layers gently so they bake evenly
- Let it rest before cutting—this is key for clean squares
- Use a mix of meats for deeper flavor instead of just one type
- For extra crispiness, bake uncovered for the last few minutes
Final Thought
Italian Sub Squares are essentially everything great about a deli sub—melty cheese, savory meats, tangy peppers—reimagined into a warm, shareable baked dish. They’re easy to make, easy to scale for crowds, and even easier to disappear once served.
If a classic Italian sub is a handheld favorite, this version is its more social, oven-baked cousin made for sharing.
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