Lightly grease a baking dish and place the biscuits into the it, mixing in the marinara sauce, garlic powder, onion, and asparagus.
Place ¼ of the cheese on top of the mixture.
Nestle in the meatballs into the baking dish.
Add in ¼ of the cheese on top of the meatballs.
Cover the dish with foil, bake for 30 minutes, uncover the foil, add the rest of the cheese on top, and bake for another 10-15 minutes, until the cheese have melted.