Barbecue sauce is a yummy sauce that people use to make their food taste really good! It's usually made out of things like tomato sauce, vinegar, sugar, and spices.
When people cook meat, like chicken or ribs, they put the sauce on top of it while it's cooking. This makes the meat taste really good and sweet! Sometimes people even dip their food in barbecue sauce after it's been cooked to make it taste even better.
There are lots of different types of barbecue sauce from different parts of the world. Some have more spice and some have more sweetness, but they all make your food taste super yummy!