5-minute timer
05:00
Step 4 of 6
Cover with a thin cloth and let it sit in a cool, airy place for 2 days until foam appears and a slightly sour smell develops.
5-minute timer
05:00
Step 4 of 6
Cover with a thin cloth and let it sit in a cool, airy place for 2 days until foam appears and a slightly sour smell develops.