Mix marinade ingedients. hold out 2 tbsp of marinade for cooking. Place strips of beef in shallow dish and cover with marinade.
turn to coat. Let marinade 30 minutes.
preheat pan. drain beef. add 2 tbsp marinade to pan. add beef. fry till 1/2 cooked. add peppers and onions. stir it up cooded till done.
warm tortillas
assemble and garnish with favorite toppings