Chicken Fiesta Casserole

Description: Make and share this Chicken Fiesta Casserole recipe from Food.com.

Ingredients:

• 8 ounces thin spaghetti
• 4 boneless skinless chicken breast halves, cut into cubes
• 1/2 large onion, chopped
• 1/2 bell pepper, chopped
• 1 (10 ounce) can Fiesta nacho cheese soup
• 1 (10 ounce) can mild Rotel tomatoes & chilies, diced, not drained
• 1 (4 ounce) can sliced black olives, drained
• 8 ounces Velveeta cheese, cut into 1/2 inch cubes
• 6 ounces sliced mushrooms (divided)

Steps:

1. Cook spaghetti according to package directions until almost tender, drain. While spaghetti is cooking, mix next 8 ingredients and 6 ozs. mushrooms in large bowl.
2. Add spaghetti and mix well.
3. Spray a large casserole pan 9x13 with cooking spray.
4. Pour mixture into casserole.
5. Spread remaining mushrooms on top.
6. Bake covered at 350 degrees for 45 minutes to 1 hour until chicken is done.
7. Remove cover and bake additional 15 minutes until bubbly and slightly browned.