Lactose

This Passionfruit and Vanilla sour was the next sour ale I had lined up in my list of fruited sours. This time around I’m using Lallemand’s Philly Sour yeast - A lactic acid producing yeast. This will be my first sour without using traditional kettle souring techniques with Lactobacillus Plantarum, so I’m interested to see how it turns out. Some people have said that this strain produces less lactic acid and thus less sourness than kettle souring, but this generally comes down to yeast health and fermentation conditions. [Read More]