macaroni and cheese with a twist

Ingredients

• 1 box 8 oz. elbo macaroni
• 1 can cream of mushroom soup
• 1/2 can water
• 1 medium chopped onion
• 1/2 cup chopped green bell pepper (more if you want)
• 4 cups shredded sharp cheddar cheese
• 1/4 cup chopped red bell pepper (you can use 20 oz. jar of pimentos)
• 1 cup mayonnaise
• TOPPING:
• 1 tube sleeve of ritz crackers
• 1/2 stick melted butter