Ingredients

• 1/2 cup finely diced yellow onion (1 small onion)

• 1/2 cup thinly sliced celery (2 stalks)

• 1 clove garlic, minced

• 1/4 cup shredded carrots (1 carrot)

• 1 large egg

• 1 tablespoon Olive Oil

• 3 tablespoons 2% or whole milk

• 1 cup Italian-style bread crumbs

• 1 tablespoon Worcestershire sauce

• 1 tablespoon Dijon mustard

• 3 tablespoons Marina's tomato sauce

• 1 pound ground beef

• 1 pound Circle B Ranch ground pork

• 1/2 cup shredded mozzarella cheese

• Kosher salt and freshly ground black pepper

• 1/4 cup Marina's Homemade ketchup