Saute' the onion and sliced squash in cast iron pan with 3 tbls of butter.
Cook for about 3-5 minutes over high heat to caramelize the onions.
Then turn off the heat stir in your premixed stuffing.
To make mix 1 pouch of Stove Top Cornbread Stuffing mixed in 1 1/2 cups of boiling water, allow to stand for 3 minutes. Then stir in 1 egg, 1/3 cup sour cream, and 1/2 cup sharp cheddar cheese.
After you mix the squash and stuffing top with remaining 1/2 cup sharp cheddar cheese and 10 crushed Ritz Crackers, top with butter squares.
Bake at 350 degrees for 15 minutes.