Sweet Potato Sliders

• 1 lb.

  ground beef

• 1 Tbsp.

  dijon mustard

• 1 tsp.

  Worcestershire sauce

• 1/2 tsp.

  garlic powder

• Kosher salt

• Freshly ground black pepper

• 2

  medium sweet potatoes, cut into 1/2" inch thick rounds

• 1 Tbsp.

  extra-virgin olive oil

For topping

• 4

  slices Monterey Jack

• 1/2

  red onion, thinly sliced into rounds

• 1/2

  avocado, thinly sliced

• 4

  slices bacon, cooked