01 - In a bowl, gently combine ground beef with salt, black pepper, garlic powder, and Worcestershire sauce, forming into 4 equal patties approximately 3/4 inch thick.
02 - Preheat a grill or skillet over medium-high heat.
03 - Grill or sear patties for 3 to 4 minutes per side until medium doneness; add cheddar slices during the final minute to melt if desired.
04 - Melt butter in a pan or on the grill and toast the cut sides of buns until golden brown.
05 - Spread mayonnaise, ketchup, and mustard evenly on the toasted buns as preferred.
06 - On the bottom bun halves, layer iceberg lettuce, tomato slices, and red onion, then place cooked patties on top, add pickles if desired, and cover with the top buns.
07 - Serve the assembled burgers immediately with your preferred side dishes.