Fajitas

Marinade:
1/2 cup vegetable oil
1/4 cup red wine vinegar
1 teaspoon sugar
1 teaspoon oregano
1 teaspoon chili powder
1/2 teaspoon garlic powder
1/2 teaspoon salt
1/4 teaspoon pepper
1 red pepper (sliced)
1 green pepper (sliced)
1 small onion (sliced)
-marinate over night-

Slice 6 chicken breasts or roast beef.  Cook in frying pan.  Add peppers.  Put meat and peppers in flour tortilla.  Add cheese, shredded lettuce, and diced tomatoes.