French Onion Beef Sliders

French Onion Beef Sliders

Michele Broxton
🌿 FRENCH ONION ❤️ BEEF SLIDERS

* hello, my little friend

8 tablespoons (1 stick) butter, divided
2 large sweet onions, sliced
2 pounds ground beef
2 tablespoons beef base (such as Better than Boullion), divided
1 tablespoon Worcestershire sauce, divided
Kosher salt and black pepper, to taste
24 slider buns
12–16 ounces gruyere or swiss cheese, shredded
2 tablespoons sesame seeds
1 tablespoon fresh thyme
1 teaspoon onion powder
1 teaspoon garlic powder