Put a little dollop of icing to the stem’s leading, then spot the cap over the icing. Keep the cap and stem in spot for a bit. After a while, the icing will harden and keep the two cookies together. Pistachio shortbread cookies (These are definitely so delightful with bits https://felixhvuey.thelateblog.com/31759056/what-does-mushroom-chocolate-cookies-mean