Ingredients

• 1 (8 ounce) package spaghetti
• 1 onion, chopped
• 6 stalks celery, chopped
• 1 large red bell pepper, chopped
• 1/4 cup vegetable oil
• 4 skinless, boneless chicken breast halves - cooked
• 2 (10.75 ounce) cans condensed cream of mushroom soup
• 1 (15 ounce) can chopped black olives
• 1 (4 ounce) jar sliced pimento peppers, drained
• 1 (4.5 ounce) can sliced mushrooms
• 1/2 pound processed cheese