Crockpot Burritos

1 flank steak
1 package taco seasoning
1 cup chopped onions
1 tablespoon white vinegar
1 1/4 cups canned green chiles
Flour tortillas
Grated cheese, refried beans, shredded lettuce, chopped
    tomatoes, salsa, sour cream and guacamole

Combine steak, taco seasoning, onions, vinegar and chiles in crock pot. Cook on LOW for 9 hours. Shred meat with fork.

Let each person prepare their own burrito. Serve with bowls of grated cheese, refried beans, shredded lettuce, chopped tomatoes, salsa, sour cream and guacamole.