Jam Thumbprint Cookies-buttery shortbread cookies rolled in sugar and filled with sweet jam! These beautiful little cookies are a classic Christmas cookie, but can be enjoyed anytime of the year.
1
Whisk together the flour and salt, then set aside. In the meantime, beat butter and sugars. Add egg yolk and vanilla extract, then mix.
2
Add the dry ingredients and mix. Roll the dough into balls and coat them in sugar.
3
Press an indentation in the center of the cookie dough balls and chill.