How to Make Yummy 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. It’s 1 tbsp of oil.
2. You need 1 of onion diced.
3. Prepare 1 of green pepper diced.
4. You need 3 cloves of minced garlic.
5. It’s 2 1/2 cups of marinara sauce.
6. You need 1/2 tsp of Italian seasoning.
7. You need 1 can of refrigerated biscuits.
8. Prepare 16 oz of bag of Italian meatballs thawed.
9. You need 2 cups of shredded mozzarella cheese.
10. You need 1/3 cup of grated parmesan cheese.

Meatball Sub Casserole instructions

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..