This one post Meatball Sub Casserole is so easy to make. Dump everything into a baking dish and have dinner ready in 40 minutes.
![This one post Meatball Sub Casserole is so easy to make. Dump everything into a baking dish and have dinner ready in 40 minutes.](https://onepotonly.com/wp-content/uploads/2020/04/meatball-sub-casserole-7-683x1024.jpg)
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Meatball Sub Casserole
It's been a while since we've had a meatball sandwich and boy, have I been craving it! I mean, it's hard not to like cheesy meatballs right? However, I'm not a fan of the mess that I always make with meatball subs as the meatballs try and escape the sandwich bread! So, I decided to make a casserole version instead. So why should you make this tonight?
- it takes less than an hour
- it's deliciously cheesy
- it uses frozen meatballs to save time
- veg snuck in for those picky eaters
What You'll Need to make this meatball casserole
![Ingredients for meatball sub casserole](https://onepotonly.com/wp-content/uploads/2020/04/meatball-sub-casserole-683x1024.jpg)
- Pillsbury Country Style Biscuits
- marinara sauce: here's how I make homemade marinara if you've got time
- garlic powder
- onion
- asparagus
- shredded cheese
- frozen meatballs
How To Make This One Pot Meatball Sub Casserole
- Heat oven to 375F.
- Cut up the biscuit dough in half.
![dough cut in half for meatball casserole](https://onepotonly.com/wp-content/uploads/2020/04/meatball-sub-casserole-2-683x1024.jpg)
- 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.
![sauce, onions, asparagus, mixed into the baking dish with cheese sprinkled on top](https://onepotonly.com/wp-content/uploads/2020/04/meatball-sub-casserole-4-683x1024.jpg)
- Nestle in the meatballs into the baking dish.
- Add in ¼ of the cheese on top of the meatballs.
![meatballs nestled in and sprinkle more cheese on top](https://onepotonly.com/wp-content/uploads/2020/04/meatball-sub-casserole-5-683x1024.jpg)
- 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.
- Serve once done.
![This one post Meatball Sub Casserole is so easy to make. Dump everything into a baking dish and have dinner ready in 40 minutes.](https://onepotonly.com/wp-content/uploads/2020/04/meatball-sub-casserole-6-683x1024.jpg)
Recipes Variations
- Swap the onions and asparagus for different vegetables such as peppers, mushrooms, etc.
- Stir in fresh herbs such as rosemary and basil.
- Swap beef meatballs for chicken meatballs (here's how I make homemade chicken meatballs).
Tips and Notes
- If you like your biscuits a little bit crispier, arrange the biscuit dough so parts of it sticks up between the sauce and meatballs.
- To avoid extra liquid, I thaw my meatballs before baking.
- I only use half an onion since too many onions release too much liquid.
![This one post Meatball Sub Casserole is so easy to make. Dump everything into a baking dish and have dinner ready in 40 minutes.](https://onepotonly.com/wp-content/uploads/2020/04/meatball-sub-casserole-8-683x1024.jpg)
Recipe
![This one post Meatball Sub Casserole is so easy to make. Dump everything into a baking dish and have dinner ready in 40 minutes.](https://onepotonly.com/wp-content/uploads/2020/04/meatball-sub-casserole-6-1-scaled.jpg)
Meatball Sub Casserole
This one post Meatball Sub Casserole is so easy to make. Dump everything into a baking dish and have dinner ready in 40 minutes.
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RateServings: 5 - 6 servings
Equipment
Ingredients
- 1 can Pillsbury Country Style Biscuits
- 1¼ cup marinara sauce
- 1 tablespoon garlic powder
- ½ onion diced
- ½ cup asparagus woody ends removed
- 1 cup shredded cheese
- 25 to 30 precooked frozen meatballs
Instructions
- Heat oven to 375F.
- Cut up the biscuit dough in half.
- 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.
Notes
I use cooked frozen beef meatballs from Costco
Nutrition
Serving: 1serving | Calories: 422kcal | Carbohydrates: 26g | Protein: 22g | Fat: 26g | Saturated Fat: 11g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 8g | Cholesterol: 68mg | Sodium: 832mg | Potassium: 462mg | Fiber: 2g | Sugar: 7g | Vitamin A: 523IU | Vitamin C: 6mg | Calcium: 139mg | Iron: 3mg
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