Season the ground beef with garlic powder, onion salt, and black pepper. Make 4 to 6 patties.
Heat a large skillet to medium heat. Add butter and olive oil then the sliced onions. Cook until caramelized about 15 to 20 minutes stirring frequently, season with salt and pepper. Set aside. Meanwhile, cook the bacon until crispy and set aside.
Heat grill to medium high heat then grill the patties about 3 to 4 minutes per side. Top with the Swiss cheese and cook until starts to melt.
Arrange your burger, lettuce at the bottom then the burger, top with caramelized onions, bacon, ketchup and the hot pepper. Serve
Recipe by The Gluten Free at https://www.theglutenfree.com/gluten-free-yummiest-bunless-burger/