So today is National Pigs-in-a-Blanket Day. Pigs in a blanket are the little biscuit-wrapped sausages we eat for breakfast, or maybe something served as an appetizer at a party.
Kolaches, on the other hand, are fruit filled pastries, which were introduced to the U.S. by Czech immigrants. The Czech do have a similar "pigs in a blanket" type food known as "klobasniky" which uses a similar dough as the kolache, but instead has a sausage inside.