1. Preheat oven to 150 degrees. Line cookie sheet with wax paper and set aside.
2. Separate Egg Yolks and Egg White from each other. You can keep the Egg Yolk for breakfast the next morning if you keep it in a sealed container. Place your Egg White in a mixing bowl.
3. Melt cooking Chocolate in a small heavy based pan and stir constantly over a low heat. When done keep aside.
4. Beat Almond Paste, Egg White and Sugar in a bowl with a electric mixer at a medium speed for 1 minute. Scraping down the sides of the bowl once. Beat in Chocolate until well combined. Beat Flour at a low speed, Scraping down side of bowl once.
5. Spoon dough into pastry tube fitted with rosette tip. Pipe 1 1/2-inch (3.7 cm) spirals 1 inch (2.5 cm) apart onto a prepared cookie sheet. Pipe all cookies at once.
Dough will get stiff upon standing.
6. Bake for 20 minutes or until set. carefully remove parchment paper to countertop and cool completely.
7. Peel cookie off parchment paper. Place Powdered Sugar in a fine mesh and sprinkle over cookies.
Recipe Notes
TIPS: STORE TIGHTLY COVERED AT ROOM TEMPERATURE OR FREEZE UP TO 3 MONTHS.