When I fire up the grill the likelihood of me making Souvlakis and grilled Asparagus is extremely high and am not much for sauces... I leave the ribs to my sister in law who makes the best ribs I have ever tasted.
Mix some beer, some molasses, some garlic, some onion, some tomato paste, and a fistful of BBQ type seasonings. It should be a little thicker than regular ketchup. Smear is all over what you are cooking (beef, pork, chicken, it doesn't matter). Cook it up. Trust me, this is very yummy.