Hearty and comforting meatball subs made with slow-cooked meatballs in marinara sauce, topped with gooey cheese, all within a soft hoagie bun.
For best flavor, choose a marinara sauce you enjoy. Customize with different cheeses or add vegetables like bell peppers for extra flavor.
Keyword Comfort Food, Easy Dinner, Family Meal, Savory Subs, Slow Cooker Meatball Subs