Sizzling Chicken Fajitas

2 pounds chicken breasts, cut into strips or pieces
1 red onion, cut into strips
1 green onion, cut into strips
4 cloves garlic, minced
1 red onion, sliced
1 8 oz box sliced mushrooms
1 packet taco seasoning

Garnish: (optional)
Tomatoes
Lettuce
Cilantro
Mango Salsa
Sour Cream
Cooked Black Beans

Add chicken and garlic to skillet and sprinkle with taco seasoning packet. Cover and let cook for about 5 minutes on medium high/high. Stir and add in peppers and onions. Cover and let cook for another 5 minutes. Add in mushrooms and mix and cover and let cook for another couple of minutes. Serve on taco sized tortillas with your desired garnishes.