Chicken or Turkey Tetrazinni

Ingredients

• 8 ounces thin spaghetti, broken into 2 inch pieces
• 1, 4 ounce can mushrooms, drain reserving liquid
• 4 tablespoons butter
• 3 tablespoons onion, chopped
• 1/2 teaspoon celery salt
• pepper to taste
• 1/4 teaspoon marjoram
• 1 can cream of chicken soup
• 1 large can evaporated milk
• 2 tablespoons pimento, chopped
• 1/2 cup Cheddar cheese, shredded
• 1/4 cup Parmesan cheese, grated
• 2 cups turkey or chicken, chopped