Ingredients
- 2 sticks (8 ounces) unsalted butter
- 1/4 cup cream cheese (2 ounces)
- 3 cups all-purpose flour
- 1 1/2 teaspoons baking powder
- 3/4 teaspoon kosher salt
- 1 large egg
- 1 1/2 teaspoons vanilla extract
- 3 1/2 cups powdered sugar (1 pound), plus more as needed
- 4 large pasteurized egg whites, or 1/2 cup liquid egg whites
- 1 teaspoon vanilla extract
- Black food coloring
Personal Notes
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