Lemon Sandwiches Ingredients Makes 20 1/2 cup almond flour 1/2 cup all-purpose flour 1/4 cup cornstarch 1/2 teaspoon salt 1/2 cup (1 stick) unsalted butter, softened 1/4 cup confectioners' sugar, plus more for dusting 2 tablespoons granulated sugar Finely grated zest of 2 lemons, plus 2 tablespoons fresh lemon juice 1/2 cup apricot jam Directions Preheat oven to 350 degrees. Whisk flours, cornstarch, and salt in a medium bowl. Put butter, sugars, lemon zest, and 1 tablespoon lemon juice into the bowl of an electric mixer fitted with the paddle attachment. Mix on medium speed until fluffy, about 3 minutes. Reduce speed to low. Add flour mixture in 3 batches, mixing well after each addition.Cover dough with plastic wrap; refrigerate 30 minutes. Place cold dough between 2 pieces of parchment paper, and roll out to 1/8 inch thick. Transfer dough on parchment to a baking sheet; freeze 10 minutes. Using a fluted 1 7/8-inch round cutter, cut out dough; transfer to parchment-lined baking s...