Chicken Fajitas

1 tablespoon Worcestershire sauce
1 tablespoon cider vinegar
1 tablespoon soy sauce
1 tablespoon lemon juice
1 teaspoon chili powder
1 clove garlic, minced
2 dashes hot pepper sauce
1 1/2 pounds boneless, skinless chicken thighs, cut into strips
1 onion, thinly sliced
½ green bell pepper, sliced
½ red bell pepper, sliced
Flour tortillas
Sour cream, optional
Shredded lettuce, optional

1. In a large Ziploc bag combine Worcestershire sauce, vinegar, soy sauce, lemon juice, chili powder, garlic and hot pepper sauce. Place chicken and vegetables in bag, and turn to coat. Marinate for 30 minutes at room temperature, or refrigerate for several hours.
2. Spray large skillet with nonstick spray. Empty the bag into the pan, and saute over high heat until chicken and vegetables are cooked through.
3. Serve with warm tortillas. Garnish with sour cream, lettuce, as desired.