Squash Casserole

Ingredients

• 1 (1/2 ounce) packet dry ranch dressing mix (make the salad dressing using mayonnaise according to package directions)
• 1 egg, lightly beaten
• 2 cups cheddar cheese, shredded
• 6 -8 yellow squash, cut into 1/4-inch slices (or zucchini)
• 1 onion, chopped (medium sized onion)
• salt and black pepper, to taste
• 6 -8 saltine crackers, coarsely broken