200 g (1.5 cups) confectioner's sugar (cukr moučka)
2-3 tablespoon fresh-squeezed lemon juice
zest of 1 lemon
You can vary this to get different colors...use orange zest/juice for orange icing, and lime zest/juice for green icing:
Disclaimer: This blog is not an official University of Minnesota or Fulbright Program blog. The views expressed are my own and not those of the Fulbright Program, the U.S. Department of State or any of its partner organizations, or the University of Minnesota.