→ For the Sliders
01 - 1 pound ground beef (80/20 blend recommended)
02 - 1 teaspoon kosher salt
03 - 1/2 teaspoon freshly ground black pepper
04 - 1/2 teaspoon garlic powder
05 - 1/2 teaspoon onion powder
→ For the Caramelized Onions
06 - 2 large yellow onions, thinly sliced
07 - 2 tablespoons unsalted butter
08 - 1 tablespoon olive oil
09 - 1/2 teaspoon salt
10 - 1 teaspoon sugar (optional, for faster caramelization)
→ For Assembly
11 - 8 slider buns, split
12 - 8 slices cheddar or Swiss cheese
13 - 2 tablespoons mayonnaise (optional)
14 - 2 tablespoons Dijon or yellow mustard (optional)
15 - 2 tablespoons unsalted butter, melted (for toasting buns)
16 - Pickles, lettuce, or tomato slices (optional)