01 -
In a skillet set to medium heat, fry bacon until crispy, then lay it on paper towels to soak up grease.
02 -
Using the bacon skillet, toss in the sliced onions and slowly cook on medium heat for 10-15 minutes until soft and golden. Pour in the stout and simmer until it thickens. Sprinkle some salt and pepper, and keep aside.
03 -
Combine the ground meat, Worcestershire sauce, salt, and pepper in a bowl. Shape into 4 even patties, making them a bit wider than your buns.
04 -
Heat up a grill or skillet to medium-high, and cook patties for 3 to 4 minutes per side. Add cheddar cheese on top during the last minute so it melts.
05 -
Stir together Dijon, sour cream, and a bit of salt in a tiny bowl. Leave nearby for assembly.
06 -
Melt a little butter in a frying pan, then toast the bun halves until they’re golden.
07 -
Layer up your burgers starting with the cheesy patty. Add onions, bacon, mustard sauce, and finish with the top bun. Serve while it’s warm!