French Onion Beef Sliders

TODAY
13Ingredients
70Minutes

Ingredients

US|METRIC
  • 8 tablespoons butter (divided)
  • 2 sweet onions (large, sliced)
  • 2 pounds ground beef
  • 2 tablespoons beef base (powder, divided)
  • 1 tablespoon worcestershire sauce (divided)
  • kosher salt
  • black pepper
  • 24 slider buns
  • 16 ounces Gruyere cheese (chopped)
  • 2 tablespoons sesame seeds
  • 1 tablespoon fresh thyme
  • 1 teaspoon onion powder
  • 1 teaspoon garlic powder
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