Overnight Chicken Casserole

Ingredients

• 8 slices day old white bread
• 4 c. chopped cooked chicken
• 1 (4 1/2 oz.) jar sliced mushrooms, drained
• 1 (8 oz.) can sliced water chestnuts, drained
• 4 eggs
• 2 c. milk
• 1/2 c. mayonnaise
• 1/2 tsp. salt
• 6 to 8 slices (6 oz.) process American cheese
• 1 (10 3/4 oz.) can condensed cream of celery soup (undiluted)
• 1 (10 3/4 oz.) can condensed cream of mushroom soup (undiluted)
• 1 (2 oz.) jar chopped pimientos, drained
• 2 Tbsp. butter or margarine, melted