INGREDIENTS
1/2 tsp
baking soda
1/2 cup
buttermilk
1 1/3 cups
buttermilk
1 tsp
cider vinegar
1 1/2 tbsp
cocoa
1 large
egg
3
egg whites
2 tbsp
food coloring
2 tbsp
vegetable oil
18 1/4 oz
white cake mix
9 oz
yellow cake mix
30 inches
garnishes: holiday trees