INGREDIENTS
1
medium onion, finely sliced
1/2 cup
ketchup
1/3 cup
cider vinegar
1/4 cup
packed brown sugar
1/4 cup
tomato paste
2 tbsp
sweet paprika
2 tbsp
Worcestershire sauce
3 tsp
kosher salt
1 1/4 tsp
freshly cracked black pepper
8
chicken thighs
6
hamburger buns
1
recipe Guacamole
1 cup
shredded colby jack cheese