Sour Cream Cake
["4 eggs", "2 c. sugar", "2 c. flour", "1 tsp. baking powder", "1/2 tsp. salt", "1 tsp. vanilla", "1 stick butter", "1 c. sour cream"]
["Add eggs to sugar, one at a time.", "Add flour and salt, then baking powder.", "Melt butter and sour cream; add to mixture.", "Add vanilla.", "Bake in tube pan at 350\u00b0 for 1 hour."]
["eggs", "sugar", "flour", "baking powder", "salt", "vanilla", "butter", "sour cream"]