Sour Cream Chocolate Cake
["1 c. sour cream", "1 egg", "1 c. sugar", "1 1/2 c. cake flour", "1 tsp. soda (rounding)", "1/4 tsp. salt", "1 tsp. vanilla", "2 sq. melted unsweetened chocolate, in 1/2 c. boiling water"]
["Sift dry ingredients together.", "Mix sugar, sour cream and egg together.", "Beat in chocolate mixture, then add flour mixture. Beat for 2 minutes.", "Bake in greased and floured pan 25 to 30 minutes at 350\u00b0."]
["sour cream", "egg", "sugar", "cake flour", "soda", "salt", "vanilla", "chocolate"]