Almond Croissant Cookies

Name: Almond Croissant Cookies
Ingredients: 4 tbsp Salted Butter ((room temperature)); 6 tbsp Sugar; 1 1/4 cups Almond Flour; 1 Egg White ((save the egg yolk for the cookie dough)); 1 tsp Almond Extract; 1 cup Salted Butter ((room temperature)); 1 cup Sugar; 1/2 cup Brown Sugar; 1 large Egg ((room temperature)); 1 Egg Yolk; 1 tsp Vanilla Extract; 1 1/2 tsp Almond Extract; 2 3/4 cups All Purpose Flour; 1 tsp Baking Soda; 1/2 tsp Kosher Salt; 1/8 tsp Nutmeg; 1 cup Sliced Almond ((for rolling the cookies))