
2¾ cups all-purpose flour
1⁄2 teaspoon salt
1 cup unsalted butter, room temperature
3⁄4 cup granulated sugar
1⁄4 cup pure maple syrup
1 large egg yolk
1⁄4 teaspoon pure maple extract
1 large egg, lightly beaten
2 cups brown sugar
1⁄2 cup butter
1⁄2 cup milk
3 cup confectioner's sugar
7 teaspoon maple extract