Lemon Tart

Name: Lemon Tart
Ingredients: 3 lemons, zest grated, juiced; 3 large eggs; 1/2 cup plus 1 tablespoon sugar; 3 tablespoons unsalted butter, cut into 1/2-inch pieces; 1 (9 1/2-inch) tart shell made from Sweet Tart Dough, prebaked, recipe follows; 1 lemon; 1/4 cup Apricot Glaze; Mint leaves; 1 cup plus 1 tablespoon confectioners' sugar; 1 3/4 cup all-purpose flour; Pinch salt; 9 tablespoons unsalted butter, softened; 1 large egg