Great recipe with a bad picture :( Koldskål is a Danish summer dessert, actually something between sweet cold soup and (butter)milky drink. Some people drink it with a straw, other eat with a spoon. If you prefer the second variant, serve it with Danish kammerjunker cokies, or your favourite biscuits, wafers or butter / cardamom (or other) cookies.
1 cup buttermilk
1 egg yolk
25 gr vanilla sugar
1 tablespoon lemon juice
cookies (kammerjunker or similar)
1. Beat yolk with vanilla sugar to obtain a creamy froth
2. Slowly add buttermilk and lemon juice and continue whisking. You can season it with lemon peel. Optionally, sprinkle with crunched cookies. Very refreshing, enjoy!
(my version, delicious even without any cookies)