2 pounds ground beef 5 ounces French-fried onions, coarsely crushed 1 cup seasoned bread crumbs 4 eggs 1 teaspoon salt 1 teaspoon black pepper 18 ounces beef gravy 1 tablespoon prepared horseradish, drained 26 ounces spaghetti sauce 1/4 cup grated Parmesan cheese 8 sub sandwich rolls, split
Preheat oven to 350 degrees F.
In a large bowl, combine ground beef, French-fried onions, bread crumbs, eggs, salt and pepper; mix well. Shape into 24 meatballs and place on a large rimmed baking sheet. Bake 18-20 minutes, or until cooked through and no pink remains.
In a medium saucepan, combine gravy and horseradish over low heat. In another medium saucepan, combine spaghetti sauce and Parmesan cheese over low heat.
Simmer both sauces 5 minutes or until heated through, stirring occasionally. Place three meatballs on each roll and serve with sauces.