Why You’ll Love This Recipe

• Incredibly easy with minimal prep time.
• Features all the classic flavors of a meatball sub.
• A one-dish meal, making cleanup a breeze.
• Perfect for feeding a family or for potlucks.

Equipment You’ll Need

• 9×13 inch baking dish
• Large mixing bowl (optional)
• Spatula or large spoon

Ingredients

• 1 (32 oz) bag frozen, fully cooked Italian-style meatballs
• 2 (24 oz) jars high-quality marinara sauce
• 1 (16.3 oz) can refrigerated biscuit dough (8 large biscuits)
• 2 cups shredded mozzarella cheese, divided
• 1 cup shredded provolone cheese
• 1/2 cup grated Parmesan cheese
• 1 teaspoon Italian seasoning
• 1/2 teaspoon garlic powder
• 2 tablespoons unsalted butter, melted
• 1/4 teaspoon garlic powder (for topping)
• Fresh parsley, chopped (for garnish)

Instructions

1. Preheat your oven to 375°F (190°C). Lightly grease a 9×13 inch baking dish.
2. In the prepared baking dish, combine the frozen meatballs, both jars of marinara sauce, 1 cup of the mozzarella cheese, the provolone cheese, Italian seasoning, and 1/2 teaspoon of garlic powder. Stir everything together until the meatballs are evenly coated.
3. Spread the mixture into an even layer in the dish.
4. Bake, uncovered, for 20-25 minutes, or until the sauce is bubbly and the meatballs are heated through.
5. While the casserole is baking, prepare the biscuit topping. Separate the biscuit dough and cut each biscuit into quarters. Place the pieces in a medium bowl.
6. In a small bowl, whisk together the melted butter and the 1/4 teaspoon of garlic powder. Pour this mixture over the biscuit pieces and toss gently to coat.
7. Carefully remove the hot baking dish from the oven. Sprinkle the remaining 1 cup of mozzarella cheese and the Parmesan cheese over the top of the meatball mixture.
8. Arrange the buttered biscuit pieces evenly over the cheese layer. They will expand as they bake, so a little space between them is fine.
9. Return the dish to the oven and bake for an additional 10-15 minutes, or until the biscuits are golden brown and cooked through, and the cheese is melted and bubbly.
10. Remove from the oven and let the casserole rest for 5-10 minutes before serving. This allows it to set up slightly. Garnish with fresh chopped parsley if desired.

Expert Cooking Tips

• For the best flavor, use a marinara sauce that you love on its own. The sauce is a major component of the final dish.
• Don’t overcrowd the biscuits on top. Give them a little room to puff up and cook evenly.
• If the biscuits are browning too quickly before they are cooked through, you can loosely tent the dish with aluminum foil for the final few minutes of baking.
• Ensure the meatball mixture is hot and bubbly before adding the biscuit topping to guarantee the biscuits cook properly from the bottom up.

Substitutions and Variations

For a different flavor profile, you can use turkey or chicken meatballs. Any good melting cheese like Fontina or a simple Italian blend can be used in place of mozzarella and provolone. If you don’t have refrigerated biscuits, you can top the casserole with slices of garlic bread during the last 10 minutes of baking.

Common Mistakes to Avoid

A common mistake is not baking the meatball base long enough before adding the topping. If the base isn’t hot enough, the bottom of the biscuits may end up doughy. Another misstep is serving immediately without letting it rest; allowing it to sit for a few minutes helps the casserole set and makes serving much neater.

Serving Suggestions

This hearty casserole is a meal in itself, but it pairs wonderfully with a crisp Caesar salad or a simple green salad with a light vinaigrette to balance the richness. For an extra-filling meal, serve with a side of steamed green beans or roasted broccoli.

Storage and Reheating Tips

Store leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, place individual portions in the oven at 350°F or in an air fryer until warmed through. This method helps re-crisp the biscuit topping, which can soften in the refrigerator.

Frequently Asked Questions

Can I use homemade meatballs for this recipe?

Yes, absolutely. If using homemade meatballs, ensure they are fully cooked before you add them to the casserole to maintain the recipe’s baking time.

Can I assemble this casserole ahead of time?

You can assemble the meatball, sauce, and cheese base up to 24 hours in advance and store it covered in the refrigerator. However, for the best texture, add the fresh biscuit topping just before you are ready to bake.

Is this recipe freezer-friendly?

Due to the texture of the baked biscuits, this casserole is best enjoyed fresh. Freezing the finished product can result in a soggy topping upon reheating. You can, however, freeze the meatball and sauce mixture, then thaw it, heat it up, and add the biscuit topping to bake as directed.

Conclusion

The Dump and Bake Meatball Sub Casserole is more than just a recipe; it’s a strategy for reclaiming your weeknights without sacrificing flavor. It proves that a satisfying, home-cooked meal doesn’t have to be complicated or time-consuming. Give this recipe a try, and watch it become an instant favorite for the whole family.