Beef Fajitas (the "j" is not silent)

Tired of feeling bound to McCormick when it comes to fajitas? Try these babies:

12 oz package stir fry beef

Marinade:
1/4 cup red wine vinegar
1/4 cup olive oil
2 Tbsp lime or lemon juice
1 Tbsp Worcestershire sauce
1 Tbsp brown sugar
2 cloves garlic
2 tsp cumin
1 tsp chili powder
1 tsp dried oregano
1/2 tsp red pepper flake
1/4 tsp season salt
1/4 tsp black pepper
dash cayenne pepper

1 Tbsp cooking oil
red onion
1/2 green bell pepper
1/2 red bell pepper

1 Tbsp corn starch
2 Tbsp water

tortillas
black beans
cheese
lettuce
salsa

Place beef in zipper bag and pound with meat tenderizer or rolling pin. Mix marinade in small bowl and add to beef in bag. Let stand for at least an hour and up to 24 hours.

Heat oil in 10 inch skillet over med-high. Add onions and peppers and saute for 3 minutes. Add marinaded beef and saute for 3-5 minutes. Combine water and corn starch and add to pan. Cook until sauce is slightly thickened.

serve in tortillas with the fixins of your choice.