You may have tried hamburger sliders, but what are they like with meatballs? Find out with Chef Nino’s Kitchen Creations recipe. Stop by to see how he prepares Mamma Mia Meatball Sliders. And while sliders are known for being small, that doesn’t mean they can’t be big on flavor. This recipe has notes of garlic, onion, and black pepper to add a nuanced taste to the dish.