Home-Made Ryazhenka

Ingredients:

1 l milk
2-3 tbsp sour cream

Method:

Bring milk to boil, and pour the boiling milk in a thermos.
Let sit overnight.

Then, pour the milk from the thermos into a glass jar, and let cool to 40 C (104 F).

Pour half of the glass in a separate dish, stir thoroughly with sour cream, and then pour back into the glass jar.

Let sit at room temperature for 2 – 3 hours.
Ryazhenka is ready.

Then, keep in a refrigerator.