INGREDIENTS
Red Velvet Sponge:
1 1/2 sticks
unsalted butter, softened
1 1/3 cups
sugar
1/4 tsp
salt
1
egg plus 1 egg yolk
1/2 tbsp
vanilla extract
3 tbsp
cocoa powder
1 1/3 cups
all-purpose flour
1/4 tsp
plus ⅛ teaspoon baking soda
6 oz
plus 1 tablespoon buttermilk
1 tbsp
red food coloring
Scant 1 tablespoon white vinegar
Cream Cheese Frosting:
1 stick
unsalted butter, softened
8 oz
cream cheese, softened
3 cups
powdered sugar
1/2 tsp
vanilla extract