Sesame Cookies

Italian style sesame seed cookies, buttery like shortbread.
Ingredients:
2 cups flour, 1/2 cup butter, 2 teaspoons baking powder, dash salt
2 large eggs, 1 teaspoon vanilla, 2 to 2 1/2 cups sesame seeds
traditionally white seeds are used, but black sesame seeds can make a nice
variation or use both to make an attractive desert tray