INGREDIENTS
1
Egg, large
2 1/4 cups
All purpose flour
1/2 tsp
Baking soda
1 cup
Brown sugar, light
1/4 cup
Cocoa powder, unsweetened
1 1/2 cups
Confectioners sugar
1
bottle Liquid red food coloring
1/4 tsp
Salt
1 tsp
Vanilla extract
1 tbsp
White vinegar
1/2 cup
Butter, unsalted
1/2 cup
Buttermilk