01 -
Preheat oven to 350°F (175°C). Line a baking sheet with aluminum foil and spray with nonstick cooking spray.
02 -
Cut rolls in half and place them on the baking sheet. Remove the top halves and layer mozzarella cheese on the bottom halves.
03 -
Spoon prepared spaghetti (with optional ground beef or preferred variation) onto the cheese layer.
04 -
Top the spaghetti with more mozzarella cheese.
05 -
Place the top halves of the rolls back onto the bottoms. Brush the tops with melted butter and sprinkle with grated Parmesan cheese, garlic salt, and Italian seasoning.
06 -
Bake the sliders uncovered for about 20-30 minutes, or until the spaghetti is warm and the cheese is melted. Baking time may vary depending on slider size and the amount of spaghetti used.