How to Cook Perfect Meatball Sub Casserole

Meatball Sub Casserole.

You can cook Meatball Sub Casserole using 10 ingredients and 6 steps. Here is how you achieve it.

Ingredients of Meatball Sub Casserole

1. Prepare of oil.
2. Prepare of onion diced.
3. It’s of green pepper diced.
4. Prepare of minced garlic.
5. You need of marinara sauce.
6. Prepare of Italian seasoning.
7. You need of refrigerated biscuits.
8. You need of bag of Italian meatballs thawed.
9. Prepare of shredded mozzarella cheese.
10. It’s of grated parmesan cheese.

Meatball Sub Casserole step by step

1. Preheat oven to 375 and lightly grease 9×13 pan.
2. Saute onion and pepper in skillet, add garlic for last half minute..
3. Combine onion mixture, marinara sauce and Italian seasoning.
4. Cut biscuits into 6 pieces each and add to mixture with meatballs.
5. Place in baking dish and cook for 25 minutes covered with foil.
6. Remove foil and add cheeses. Bake an additional 15 to 20 minutes..