Step 1

Preheat oven to 350F and grease a 13x9 baking dish.

Step 2

Melt the butter in a saucepan over medium heat or in the microwave.

Step 3

Slice the buns across the middle and set the tops to the side.

Step 4

Spread the pizza sauce over the bottom sections of the buns and place into the baking dish.

Step 5

Spread 1 cup of mozzarella cheese over the top of the sauce.

Step 6

Layer the pepperoni slices to make one full layer over the top of the cheese.

Step 7

Sprinkle with remaining 1 cup mozzarella cheese.

Step 8

Place tops of rolls back on and baste with melted butter.

Step 9

Sprinkle on oregano or Italian seasoning and cover with aluminum foil.

Step 10

Bake sandwiches for 20 minutes until cheese is melted and butter has been fully absorbed, resulting in golden sandwich tops.