Step 1

Preheat the oven to 350 degrees.

Step 2

Remove the sliders from the package and use a knife to cut a circle out of the center of each bun. Press the center of the bun down to make a hole on the top of each bun.

Step 3

Brush the top and inside of each bun with butter and sprinkle the garlic powder over the top.

Step 4

Add a small amount of cheese to the inside of each hole in the buns.

Step 5

Press one frozen meatball into the top of each bun.

Step 6

Top the meatball with a spoonful of marinara sauce.

Step 7

Sprinkle the remaining shredded cheese over the top of each meatball.

Step 8

Bake in the preheated oven for 15 to 20 minutes, until the meatballs are heated through and the cheese is melted.