As an appetizer, snack, or main, sliders are a fun twist to the traditional hamburger. Easy to hold and dunk in condiments, sliders in their many variations make great party food, like this mouthwatering recipe: Beef and Mushroom Sliders Servings: 6 1 tbsp (15 ml) vegetable oil 1 cup (250 ml) diced onion 2 cups (500 ml sliced …