Most respectable sauces made at home and some of the better bottled sauces achieve a balance of sweet, sour, spicy, and salty.
(Grilling time is is only 30 to 40 minutes)
Sauce:
1/2 cup ketchup
2 Tablespoons white wine vinegar
1 Tablespoon Worcestershire sauce
2 teaspoons molasses
1 teaspoon soy sauce
1/2 teaspoon prepared chili powder
/2 teaspoon granulated garlic
1/4 teaspoon celery salt
1/4 teaspoon liquid hickory smoke
Rub:
1/2 teaspoon kosher salt
1/2 teaspoon celery salt
1/4 teaspoon freshly ground black pepper
1/4 teaspoon granulated garlic
One 2 pound tri-tip roast about 1 1/2 inches thick
2 Tablespoons extra virgin olive oil
Now you can add your own 'x' factor to the BBQ sauce, here are some 'x' es...
any spice imaginable
fruit preserves (works perfectly)
liquid smoke
liquor
wine
tomato sauce
pork fat
butter or olive oil
chicken or beef stock
coffee or espresso.......or whatever you like..