"Versatility is the name of the game with this icing. Substituting liqueur, milk, or another citrus juice for the lemon juice lets you customize the icing for a variety of cakes. It's especially delicious drizzled atop loaf cakes...."
INGREDIENTS
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4 1/2 cups confectioners' sugar
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1/4 cup plus 2 tablespoons fresh lemon juice (from 2 lemons), plus more if needed