Portobella Fajitas

1 package fajita-size flour tacos
1 green bell pepper
1 red or yellow bell pepper
1 large portabella mushroom
1 large onion
1 large tomato
1 head lettuce
Pinch of garlic
1/2 cup grated cheese
1 can chopped black olives
1 tablespoon Worcestershire sauce
Red cooking wine
Salt and pepper
Salsa

Cut mushroom, peppers and onions into strips. Spray saut