Almond Croissant Cookies

Name: Almond Croissant Cookies
Ingredients: 1 ¾ cups almond flour; ¾ cup granulated white sugar; 1 large egg; 2 ½ tablespoons unsalted butter (melted and cooled); 1 ½ teaspoons almond extract; 1 ½ teaspoons vanilla extract or vanilla bean paste; 1 cup salted butter (softened to room temperature); ½ cup brown sugar; ½ cup granulated white sugar; ½ cup powdered sugar; 1 teaspoon almond extract; ½ teaspoon vanilla extract; 3 cups all-purpose flour; ½ teaspoon baking soda; 1 cup sliced almonds; Additional powdered sugar (for garnish)