I don't see them in my area, but here's a recipe that was posted on this site.
From Luisa_Calif
GRILLED TRI-TIP ROAST WITH TEQUILA
MARINADE
AND CHERRY TOMATO RELISH
Marinate the tri-tip for at least two hours.
1/2 cup fresh lime juice
1/2 cup chopped fresh cilantro
1/2 cup olive oil
1/3 cup soy sauce
1/4 cup tequila
7 garlic cloves, finely chopped
2 teaspoons grated lime peel
2 teaspoons ground cumin
2 teaspoons dried oregano
1 teaspoon ground black pepper
2 2-pound beef loin tri-tip roasts, trimmed
Cherry Tomato Relish
Whisk first 10 ingredients in medium
bowl.
Using small sharp knife, pierce meat all
over. Place meat in large resealable
plastic
bag; add marinade. Seal bag. Refrigerate
at
least 2 hours or overnight, turning plastic
bag occasionally. Prepare barbecue
(medium-
high heat). Remove meat from marinade.
Discard marinade. Grill meat to desired
doneness, about 10 minutes per side for
medium-rare. Transfer to cutting board.
Tent
with foil; let stand 10 minutes. Cut
diagonally across grain. Serve meat with
Cherry Tomato Relish.
Makes 8 servings.
Bon Appétit
June 2000
http://www.finerkitchens.com/swap/forum/index.php?action=display&forumid=1&msgid=6381