FOR THE CAKES: – 1 & 1/2 cups (180g) all-purpose flour – 2 teaspoons lemon zest (from 1 medium lemon) – 1/4 teaspoon salt – 3/4 cup (170g) unsalted butter, softened – 4 ounces (113g) cream cheese, at room temperature – 1 & 1/2 cups (300g) granulated sugar – 3 large egg – 2 tablespoons lemon juice (from 1 medium lemon) FOR THE GLAZE: – 2 cups (220g) confectioners' sugar, sifted – 2 tablespoons lemon juice (from 1 medium lemon) – 2 teaspoons lemon zest (from 1 medium lemon) – 1 to 2 tablespoons milk