Cheeseburger Sliders

Ingredients (16)

• For the Ground Beef:
• 1 tablespoon olive oil
• 1 small yellow onion, finely diced
• 2 pounds ground beef
• 2 cloves garlic, minced
• 1 tablespoon mustard
• 1 teaspoon Worcestershire sauce
• 11/2 teaspoons Kosher salt
• 1/2 teaspoon freshly ground black pepper
• For the Burgers:
• 1 package dinner rolls, 12 count (I used Hawaiian Savory Butter Rolls)
• 8 slices American cheese
• 8 ounces shredded Monterey Jack cheese
• 4 tablespoons unsalted butter, melted
• 1 teaspoon garlic powder
• 1 tablespoon white and black sesame seeds, optional