01 - In a bowl, gently combine ground beef with salt, black pepper, garlic powder, and Worcestershire sauce. Form into four equal patties, approximately 3/4 inch thick.
02 - Heat grill or skillet to medium-high temperature.
03 - Place patties on the grill or skillet and cook for 3 to 4 minutes per side for medium doneness. Add cheese slices during the last minute to melt, if desired.
04 - Melt butter in a pan or on the grill. Toast the cut sides of the buns until golden brown.
05 - Spread mayonnaise, ketchup, and mustard evenly on the toasted buns.
06 - Layer lettuce, tomato slices, and onions on the bottom halves of the buns. Top with cooked patties, add pickles if desired, then cover with the top halves.
07 - Serve immediately alongside preferred sides.