Chicken Spaghetti

Ingredients

• 1 large chicken, cooked and cut up (cook in pressure cooker about 20 minutes)
• 1 c. chopped onion
• 3 c. chopped celery
• 1 c. margarine (2 sticks)
• 1 chopped green pepper
• 1 pt. chicken broth
• 1 can tomato soup (undiluted)
• 1 can mushroom soup (undiluted)
• 1 small can pimento
• 1 Tbsp. chili powder
• 1 Tbsp. Worcestershire sauce
• few drops Tabasco sauce
• 1 pkg. spaghetti
• 1 lb. American cheese (enough to cover top)