Emma’s Squash Casserole

2 pounds squash

1 & 1/2 cups milk

2 eggs

Salt & pepper to taste

3 tablespoons butter

3 cups grated cheese

1 cup chopped onion

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Preheat oven to 350 degrees. Boil squash until tender; drain. Mix all together except one cup of cheese. (Use potato masher to mix.) Pour in pan; bake until firm, about one hour. Sprinkle remaining cheese on top. Put back into oven until cheese melts.