Meatball Sandwich

1 . Stage

Preheat the oven to 350 degrees F (175 degrees C).

2 . Stage

Combine ground beef, bread crumbs, egg, garlic, Parmesan cheese, parsley, and Italian seasoning in a large bowl. Mix with your hands until well combined. Shape mixture into 12 meatballs, and place in a baking dish. Dotdash Meredith Food Studios

3 . Stage

Bake meatballs in the preheated oven until cooked through, 15 to 20 minutes. An instant-read thermometer inserted into the center should read at least 160 degrees F (71 degrees C).

4 . Stage

While the meatballs are cooking, cut baguette in half lengthwise and open like a book. Remove and discard some of the bread from the inside to make a well for the meatballs.

5 . Stage

Brush baguette with olive oil and season with garlic powder and salt. Place baguette on a baking tray, open and with the oiled sides facing up. Dotdash Meredith Food Studios

6 . Stage

When the meatballs have 5 minutes left, slip the baguette into the oven and cook until lightly toasted.

7 . Stage

Meanwhile, warm spaghetti sauce in a saucepan over medium heat.

8 . Stage

Remove meatballs from the oven. Use a slotted spoon to transfer them to the hot sauce; mix gently to coat with sauce. Dotdash Meredith Food Studios

9 . Stage

Spoon meatballs and sauce into one side of the baguette, nestling meatballs in the well. Top with slices of provolone cheese. Dotdash Meredith Food Studios

10 . Stage

Return to the oven until cheese is melted, 2 to 3 minutes. Dotdash Meredith Food Studios

11 . Stage

Cool slightly, then cut into 4 sandwiches. Dotdash Meredith Food Studios