Preheat oven to 425°F.
Mix ground beef, salt, pepper, and garlic powder in a bowl.
Shape mixture into 4 patties and place on a baking sheet.
Add bacon, onion rings, and jalapeño slices to the same baking sheet.
Bake for 18 minutes.
Combine mayonnaise, Sriracha, Worcestershire sauce, and sweetener for sauce. Store in the fridge until serving.
Add cheese slices on top of each patty and broil in the oven for 2 minutes until cheese melts and browns slightly.
Take out of the oven.
Assemble burgers with patties, bacon, onion, jalapeños, and sauce.
Serve warm.