BBQ Meatball Sub

A BBQ meatball sub is a grilled sandwich loaded with tender meatballs in tangy barbecue sauce, melted cheese, and crispy grilled bread. The key is grilling the meatballs until they’re caramelized on the outside, then finishing them in sauce while the bread toasts directly over the heat for a crisp, charred exterior.

Ingredients for BBQ Meatball Sub

Ground beef forms the meatball base and stays tender when not overworked. Panko breadcrumbs keep them light and absorb juices without making them dense. Egg binds everything together. Garlic and onion powder build savory depth. Salt and black pepper season the meat. Barbecue sauce coats the meatballs with sweet and smoky flavor. Provolone cheese melts over the hot meatballs and adds richness. Hoagie rolls provide structure and char on the grill. Oil prevents sticking on the grates and helps the bread toast.

Why This BBQ Meatball Sub Works

Grilling the meatballs over direct heat browns them quickly on all sides, creating a caramelized crust that locks in juices. The high, dry heat of the grill does this faster than a stovetop and gives you those charred edges that add flavor.

Once the meatballs are browned, you move them to the sauce and let them finish cooking through while staying warm and moist. The cheese melts right into the sauce, and the whole filling stays hot until you assemble the sub.

Toasting the hoagie roll cut-side down on the grill creates a crispy, slightly charred surface that won’t get soggy from the sauce. The bread acts as a barrier between the filling and the crumb, so the interior stays tender.

Mistakes To Avoid

Overworking the ground beef when mixing makes the meatballs dense and tough. Mix only until the ingredients just come together, then stop. You’ll feel the difference the moment you bite into a gently mixed meatball versus a packed one.

Skipping the oil on the grill grates causes meatballs to stick and fall apart or leave behind bits of meat. Wipe the oiled paper towel over the hot grates right before cooking, and do it again if you notice anything sticking.

Loading the bread with sauce before grilling it soaks into the crumb and turns it into a soggy mess. Grill the bread first until it’s crispy, then fill it at the last second so it stays firm enough to hold everything.

Cooking the meatballs all the way through on the grill dries them out. Brown them over direct heat until they have a crust, then move them to a cooler zone or off the grill so the inside stays moist while they finish cooking.

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Ingredients

• 1 pound ground beef
• 1/2 cup panko breadcrumbs
• 1 large egg
• 1 teaspoon garlic powder
• 1 teaspoon onion powder
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper
• 1 1/4 cups barbecue sauce
• 8 slices provolone cheese
• 4 hoagie rolls, split lengthwise
• 2 tablespoons oil for the grill

Step-by-step Instructions

1. In a bowl, combine ground beef, panko, egg, garlic powder, onion powder, salt, and black pepper until just mixed. Form into 16 meatballs, about 1 1/2 inches across each.
2. Preheat the grill to medium-high (around 400°F). Oil the grates by wiping them with a paper towel soaked in oil using long tongs.
3. Place meatballs on the grill over direct heat. Cook for 3 to 4 minutes until browned on the bottom, then turn and cook another 3 to 4 minutes until browned on the second side.
4. Move the meatballs to a cooler zone or to a small saucepan off the grill. Pour the barbecue sauce over them and stir to coat. Let them finish cooking in the sauce for 2 to 3 minutes until an instant-read thermometer reads 160°F (71°C) at the center of the largest meatball.
5. Lay the hoagie rolls cut-side down on the hottest part of the grill. Toast for 1 to 2 minutes until golden and crispy, watching so they don’t burn.
6. Remove the rolls from the grill. Divide the meatballs and sauce among the four rolls, laying 4 meatballs in each. Top each with 2 slices of provolone cheese while the meatballs are still hot so the cheese melts. Serve right away.
7. Indoor alternative: Cook meatballs in a grill pan or under the broiler at 500°F (260°C) until browned, then finish in a saucepan on the stovetop. Toast the rolls in a dry skillet or under the broiler until crispy.