Smashed Pub Sliders from Smashed: 60 Epic Smash Burgers and Sandwiches for Dinner, for Lunch, and Ev

Ingredients

• 1 tablespoon (14 g) mayonnaise, for toasting the buns
• Red onion, thinly sliced, for topping
• Basic Cheese Sauce, or your favorite cheese sauce, for topping
• 1 tablespoon (15 ml) vegetable oil
• 2 teaspoons pepper (to taste)
• 2 teaspoons salt (to taste)
• 6 ounces (170 g) 80/20 ground beef, divided into three 2-ounce (55 g) loosely packed meatballs
• 6 dill pickle chips, for topping
• Leafy lettuce, for topping
• 3 King’s Hawaiian Pretzel Slider Buns
• 3 slices American cheese