One-Dish Dinner: Puffed Meatball Sub Casserole. ‘Nuff Said! Casseroles, Entree Recipes, Special January 18, 2017February 15, 2018 jessicafaidley 0 Comments Are you in love with meatball subs?If so, you’re in for a real treat with this spunky casserole!Pages: 1 2