Cook squash in boiling, salted water until ... 1/2 quart greased casserole. Meanwhile, melt butter. Stir in sour cream, cheese, salt and paprika. Cook ... egg yolk and onion. Stir into squash. Toss ... 20 minutes. 6 servings.
Ingredients: 10 (cheese .. cream .. crumbs .. onion .. paprika .. salt ...)