"After making lemon frosting for over 10 years (and learning the hard way), I’ve figured out how to prevent separation, achieve a silky-smooth texture, and adjust sweetness to taste...."
INGREDIENTS
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1 cup (226g) unsalted butter (room temperature)
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3 ½-4 ½ cups (395-510g) powdered sugar
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2 tablespoons fresh lemon juice
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2 tablespoons heavy whipping cream (milk can be substituted)
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½ teaspoon salt
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2 teaspoons 1 lemon lemon zest, optional