In a large mixing bowl, beat the egg with the sugar.
Add in scraped vanilla bean and a pinch of salt. Whisk.
In another bowl, sift together flour and baking powder.
Using a pastry cutter, combine flour and butter.
Combine egg and flour mixtures together until dough forms
When the dough is combined, wrap in plastic wrap and refrigerate for at least 1-2 hours
Remove from refrigerator and roll dough out to 1/4″ thick
Cut the dough with different cutters and place on a parchment paper lined baking sheet
In a small bowl, which 1 egg yolk. Using a pastry brush, brush the egg yolk on the cookie. Let dry. Brush again with the egg and bake in a 350°F oven for 10-15 minutes
Serve and enjoy with family and friends!