Orange Buttercream Frosting

Bahan-bahan (24 porsi)

• 1/2 cup (1 stick) salted butter, (at room temperature)
• 2 teaspoons grated orange zest
• 1/8 teaspoon salt
• 1 large pasteurized egg yolk ((* see Recipe Notes below))
• 16 ounces powdered sugar
• 1/4 cup freshly squeezed orange juice