The Best Crockpot BBQ Chicken Totally veered off, used: 1 cup Sweet & Smoky BBQ sauce 1/4 cup Saracha (going for the St.Louis style hot/bbq sauce) 1/4 yellow mustard 1/4 ketchup brown sugar to taste. Probably around 1/4 cup. cinnamon to taste. 1 whole chopped sweet onion sweet, spicy, bbq-y, cinnamon-y. the perfect transition from Summer BBQ to Fall flavours.