A variety of vegan and vegetarian beverages may be produced using beverage manufacturing.
Oat drinks, soy drinks, chocolate soy drinks, and chocolate oat drinks are the latest offerings.
These are the recipes:
Four times as many oats
3x oat drink equals 4x water
Four times as much soybeans
6x water equals 6x soy beverage.
Four times as many oats
One chocolate
3x chocolate oat drink = 4x water
Four times as many oats
One chocolate
6x water is equal to 6x chocolate soy beverage.

Source: Olafolaf1309