Yellow Squash Casserole

Preheat oven to 400(F) degrees. Spray 9x13 casserole dish with cooking spray. Set aside Lightly steam squash and onion in steamer basket for about 5 minutes. Drain and set aside. In medium bowl, combine cracker crumbs and cheese. In large bowl, add strained squash and onion and gently fold in 1/2 the cheese/cracker mixture. In a small bowl, whisk together eggs and milk, then add squash mixture. Melt 1/2 cup butter. Add half the butter to the squash mixture. Season with salt and pepper. Spread squash mixture in casserole pan. Top with remaining crackers and pour remaining butter over dish. Bake for 25 minutes until lightly brown