Rye Bread Kvass

Ingredients

 * 1 cup rye bread cut into pieces and dried in the oven
 * 5 cups boiling water
 * 1 tbsp sugar (you can put more if you like it sweeter)
 * 1 tsp yeast

Directions

 * 1) Put dried pieces of bread in the big jar.
 * 2) Add boiling water and leave to soak for 5 hours.
 * 3) Then add sugar and yeast and leave in the warm place to ferment.
 * 4) Fermentation usually lasts between 12 and 24 hours depending on the air temperature.
 * 5) Then strain and put in the fridge.