Famous Brown Derby Red Velvet Cake Andicing Recipe

• 2 1/2 c. cake flour
• 1/2 teaspoon salt
• 3 T instant cocoa mix
• 1/2 c. butter
• 1 1/2 c. white sugar
• 2 large eggs
• 2 (1 ounce) bottles red food coloring
• 1 teaspoon vanilla
• 1 c. buttermilk
• 1 T white vinegar
• 1 teaspoon soda
• MYSTERY ICING (NEVER HARDENS)
• 4 T flour
• 1 c. sweet lowfat milk
• 1 c. sugar
• 1 stick butter
• 1/2 c. non liquid shortening
• 3 teaspoon vanilla
• 1/4 teaspoon salt

Directions