INGREDIENTS
1 1/4
lbs ground beef (I use 90% lean)
cooking spray
2 tsp
olive oil
1/2 cup
onion (finely diced)
1/2 cup
cooked and crumbled bacon
1/4 cup
panko breadcrumbs
1 tbsp
yellow mustard
1 tbsp
worcestershire sauce
3/4 tsp
salt
1/2 tsp
pepper
1
egg
1/2 cup
cheddar cheese (cut into small cubes)
1/4 cup
ketchup
1 tbsp
chopped parsley (optional)