This recipe came from a website I found on the internet, but don't remember which one. I made a huge batch of these today and they turned out really good. I am giving them to friends and family for the most part since they contain sugar, eggs and butter, something I try not to eat. You can make the sour milk by putting 1 tbsp. of lemon juice into a cup of milk and let it sit for 5 mintues. I didn't include the chilling time for the dough in this recipe.