Creating Baked Italian Grinder Sandwiches is simpler than you might think. Follow these easy steps:

1. Preheat Oven: Preheat your oven to 375°F (190°C).
2. Prepare the Buns: Slice the sub rolls in half lengthwise without cutting all the way through. Open them up gently.
3. Add Meats: Begin layering the meats by placing an even amount of salami, pepperoni, and ham on the bottom half of each bun.
4. Layer Cheese: On top of the meats, add slices of provolone cheese to cover the meat layer.
5. Add Peppers: Sprinkle the sliced banana peppers evenly over the cheese for a bit of tang.
6. Season the Sandwiches: In a small bowl, mix the Italian dressing, garlic powder, Italian seasoning, olive oil, and black pepper. Drizzle this mixture evenly over the assembled sandwiches.
7. Close Sandwiches: Gently close the sandwich halves and press down slightly.
8. Wrap in Foil: Wrap each sandwich tightly in aluminum foil. This will help keep the sandwiches moist during baking.
9. Bake: Place the wrapped sandwiches on a baking sheet and bake in the preheated oven for 20-25 minutes, or until the cheese is melted and the bread is heated through.
10. Serve: Carefully unwrap the sandwiches and slice them in half for serving. Add fresh basil or parsley for a touch of color if desired.

With these straightforward steps, you’ll have a batch of piping hot Baked Italian Grinder Sandwiches ready to wow your family and friends.