You need one jug and yogurt. Fot the best taste get a yogurt made with bacillus bulgaricus.
Put the yogurt in the jug.
Take cold water
The proportion water:yogurt depends on you. Put the water in the empty package of the yogurt to measure the proprotion more easily. In this guide i will make it 1:1
Mix the water and the yogurt
Spill the drink in a cup.
Put some salt if you want to.
Now you have the perfect bevarage for your breakfast