Sub Shop Casserole sets out with a simple goal: get all of the flavors of a perfect meatball sub into one dish. It succeeds, and then some! Each serving of Sub Shop Casserole has a baguette slice covered with a zesty, rich herb butter before being topped with bright marinara sauce and a homemade, juicy, savory meatball. The melty mozzarella just brings it all together. No more heading down to the sub shop for a hoagie; you have everything you need to make your tastebuds happy right here.
Ingredients
For the meatballs:
- 1 pound ground beef
- 2 cloves garlic, minced
- 1 large egg
- 1/3 cup breadcrumbs
- 2 tablespoons parsley, freshly chopped, plus more for garnish
- kosher salt, to taste
- black pepper, to taste
- 1 tablespoon vegetable oil
For the casserole:
- 1 baguette, sliced into 3/4-inch-thick pieces
- 4 tablespoons butter, melted
- 2 cloves garlic, minced
- 1 teaspoon Italian seasoning
- kosher salt, to taste
- black pepper, to taste
- 2 cups mozzarella, shredded and divided
- 3 cups marinara sauce
Directions
Step 1 –Preheat the oven to 400 degrees F.
Step 2 –In a large bowl, combine the ground beef, 2 cloves of the garlic, the egg, the breadcrumbs, and the parsley.
Step 3 –Season the mixture generously with the salt and the pepper, then stir together until just combined.
Step 4 –Form the meat mixture into 30 evenly sized balls.
Step 5 –In a large skillet over medium-high heat, heat the oil.
Step 6 –Cook the meatballs in the hot oil in batches until they are cooked through at 140 degrees F, about 6-7 minutes.
Step 7 –Drain the meatballs on a paper-towel-lined plate.
Step 8 –Grease a 9×13-inch baking dish with cooking spray.
Step 9 –Place the baguette slices in an even layer in the bottom of the prepared baking dish.
Step 10 –In a medium bowl, stir together the melted butter, the remaining garlic, and the Italian seasoning.
Step 11 –Season the butter mixture with the salt and the pepper.
Step 12 –Brush the butter mixture over the baguette slices.
Step 13 –Layer 1 cup of the mozzarella over the baguette slices.
Step 14 –Layer on an even layer of the marinara sauce, the meatballs, and the remaining mozzarella, in that order.
Step 15 –Bake until the cheese is melty, about 12-15 minutes.
Step 16 –Garnish with the remaining parsley and serve.
