Created by Luv2Kook on May 5, 2012
Step 1: Preheat oven to 350 degrees. Grease well and generously flour 2 (9 inch) cake pans.
Step 2: Sift flour, baking soda, salt, sugar, and cocoa into a large bowl.
Step 3: Add shortening, buttermilk and Cola. Beat for 1 1/2 minutes with electric beater at low speed.
Step 4: Add 1 whole egg and 2 egg yolks. Beat for 1 1/2 minutes.
Step 5: Pour cake batter into the 2 pans. Bake 30-35 minutes.
Step 6: Cool, and frost with Cola frosting.
Step 7: Frosting:
Step 8: Combine ingredients in top of double boiler.
Step 9: Cook over rapidly boiling water, beating until mixture stands in peaks.
Step 10: Remove from heat, and continue beating until thick enough to spread.