Squash
["3 lb. yellow squash, cubed", "2 Tbsp. butter", "1 c. sour cream", "1/2 c. onion, chopped", "1 tsp. salt", "1/4 tsp. pepper"]
["Cook squash until tender; drain.", "Mash squash and add remaining ingredients.", "Put mixture in ungreased 1-quart casserole.", "Bake, uncovered, 20 minutes at 400\u00b0."]
["yellow squash", "butter", "sour cream", "onion", "salt", "pepper"]