hacienda-style chicken fettuccini fernando

Ingredients

• 4 - boneless skinless chicken breasts or thighs cut into large bite-sized chunks or strips
• 1 - small onion cut into thin wedges and separated
• 1 - red bell pepper, julienned thinly
• 2 Tbl. - butter
• 2 Tbl. - vegetable or olive oil
• - pinch each salt and pepper to taste
• 1/4 tsp. - garlic powder
• 1/4 tsp. - cumin
• 1 (1 lb.) - jar 5 brothers or bertolli alfredo sauce, ragu is "so-so"
• 1/4 cup - sour cream
• 2 - cups shredded sargento 4-blend mexican cheese, divided
• 1 (15 oz.) - can medium black olives, drained and halved lengthwise
• 1/2 cup - jarred jalapeno rings, or as many as you'd like in there
• 1 (8 oz.) - pkg. fresh sliced mushrooms
• 4 - servings-worth cooked and drained fresh fettuccini