INGREDIENTS
4
boneless, skinless chicken breasts pounded to ½-inch thickness
2 cups
Kansas City BBQ Sauce, divided (see below for recipe)
1/3 cup
white mushrooms, sliced
1/2
medium onion, thinly sliced
8
slices provolone cheese
Fresh cilantro or parsley (optional)
1 cup
ketchup
1/2 cup
brown sugar
1/4 cup
yellow mustard
1/4 cup
apple cider vinegar
1/4 cup
Worcestershire sauce
2 tbsp
honey
2 tbsp
dark molasses
2 tsp
chili powder
2 tsp
garlic powder
1 tsp
liquid smoke
1 tsp
onion powder
1 tsp
crushed red pepper flakes
1/2 tsp
salt
1/2 tsp
black pepper