Southern Squash Casserole OAMC

Ingredients

• 8 cups yellow summer squash sliced
• 1.25 cups sweet Vidalia onion sliced
• 3 Tablespoons butter melted
• 4 medium eggs beaten
• 0.5 cups shredded Parmesan cheese
• 2 cups shredded cheddar cheese
• 0.33 cups mayonnaise
• salt and pepper to taste
• 1.5 cups crushed crackers (such as Ritz) or breadcrumbs