Kefir

 

Ingredients
4 cups any plant milk, preferably homemade
2 tablespoons vegan kefir
or
1 packet of kefir grains:
Acetobacter aceti 
A. rasens
Candida kefyr 
Saccharomyces turicensis
S. cerevisiae
Lactobacillus kefiranofaciens
L. parakefiri
L. kefiranofaciens (and subsp. kefirgranum)
L. kefiri

Instructions
Sterilize all equipment in boiling water.
Place plant milk in a saucepan, bring it to a boil, and allow it to cool to 80°F. Mix in kefir or kefir grains and allow to ferment in a covered container at room temperature for two to three days, or until it ferments to your liking. Strain out the grains before consumption, and feed them with small amounts of plant milk til you make another large batch. You can also save some kefir to inoculate the next batch.
Store in the refrigerator in a covered container.
Enjoy!