Mexican Beef Sandwiches

1 (3 pound) boneless beef roast
1/2 cup chopped onion
2 teaspoons fresh garlic, minced
1 (16 ounce) jar picante sauce or salsa
4 teaspoons chili powder
1 teaspoon granulated sugar
1/4 teaspoon cayenne pepper or hot pepper sauce
12 hamburger buns

Heat oven to 325 degrees F. In Dutch oven place roast. Sprinkle with onions and garlic. Cover; bake 2 1/2 to 3 hours until meat is tender and shreds easily.

Remove roast from pan; cool slightly. Set pan and drippings aside.

Shred roast with fork, removing any fat. place roast and all ingredients except buns in pan with drippings. Cook over medium heat, stirring occasionally until beef mixture is heated through. Serve on buns.