Sour Cream Pound Cake
["3 c. sugar", "1 c. margarine, softened", "6 eggs, separated", "1 Tbsp. vanilla", "3 c. flour", "1/2 tsp. salt", "1/4 tsp. baking soda", "1 c. sour cream"]
["Heat oven to 325\u00b0.", "Grease and flour tube pan or 2 loaf pans. Beat sugar, margarine, egg yolks and vanilla in a large bowl on low speed constantly for 30 seconds.", "Beat on high for 2 minutes. Beat in flour, salt and baking soda alternately with the sour cream on low speed.", "Beat egg whites in", "a large bowl until stiff. Fold egg whites into the batter.", "Pour into pan(s).", "Bake 80 to 90 minutes."]
["sugar", "margarine", "eggs", "vanilla", "flour", "salt", "baking soda", "sour cream"]