01 - In a mixing bowl, combine ground beef, salt, pepper, and Worcestershire sauce. Gently mix and form into 4 equal patties, about ¾ inch thick.
02 - Preheat grill or skillet over medium-high heat. Cook beef bacon slices for 3–4 minutes per side or until crispy. Set aside on paper towels.
03 - Grill or pan-fry beef patties for 3–4 minutes per side for medium, adding a slice of cheddar on top of each patty during the last minute to melt.
04 - Toast brioche buns, cut side down, until golden and warm.
05 - Spread mayonnaise and Dijon mustard on the bottom bun. Top with lettuce, tomato, burger patty with melted cheese, avocado slices, crispy beef bacon, and red onion. Add pickles and ketchup if desired. Cap with the top bun.
06 - Serve immediately with your favorite sides.