In a medium saucepan combine root beer and chili sauce. Bring to a boil then reduce heat.
Cook over medium low heat and boil gently, uncovered, until mixture has reduced to 2 cups. Add hot sauce, salt, pepper, and onion powder. Remove from heat and cool. Serve with your favorite barbecued meat.
Recipe by Not Just Sunday Dinner at https://notjustsundaydinner.com/root-beer-barbecue-sauce/