Almond Croissant Blondies

Name: Almond Croissant Blondies
Ingredients: 1/2 cup unsalted butter (softened); 1 cup light brown sugar (packed); 1 large egg (at room temperature); 1/4 teaspoon almond extract; 2 teaspoon vanilla extract; 1/4 teaspoon salt; 1 & 1/3 cup all-purpose flour; 1/4 teaspoon baking powder; 1/3 cup almond flour; 1/2 cup sliced almonds (to top the blondies); Powdered sugar (for dusting); 4 tbsp butter; 1/4 cup granulated sugar; 1 egg yolk; 1/4 teaspoon vanilla extract; 1/4 teaspoon orange zest (optional but helps elevate the croissant blondies); 2/3 cup almond flour; pinch of salt