make sour

She rises at 4:30 every morning to milk the cows, and she taught herself how to make sour cream and cottage cheese, which she sells in the nearby town market.

I make sour lips and hold the trombone up, slide in position.

Another reminder: Nuts are full of oil and can go rancid at room temperature; unsurprisingly, rancid almonds will make sour almond milk.

Some brewers make sour beers with these wild organisms only in the brew kettle, while others prefer to leave fermenting beer in tanks or wooden vessels for months while nature takes its course.

"Brewers are learning to make sour beers so there's less waste and better consistency of product."