Buttered Rum Pound Cake
Cream butter; gradually beat in 2 1/2 cups sugar. Add egg yolks, beating well after each addition. Combine flour and soda; add to creamed mixture alternately with sour cream, beginning and ending with flour mixture. Stir in flavorings. Beat egg whites until foamy; gradually add 1/2 cup sugar, a spoonful at a time, beating until stiff peaks form. Fold into batter.
Pour butter into greased tube pan. Bake at 325 degrees for 1 1/2 hours. Cool cake in pan for 10 to 15 minutes. While warm, prick cake with a meat fork. Pour Buttered Rum Glaze over cake.