What Is Oat Milk?

People avoiding milk due to an allergy, intolerance, vegan lifestyle, or other preference have many dairy alternatives to choose from at their nearby supermarket.

Almond milk, soy milk, coconut milk, and cashew milk are widely known, but what about oat milk? Oat milk is quickly gaining steam at coffee houses and is poised to become a popular alternative dairy beverage. Varieties of oat milk started showing up in stores in 2018.

The foodies at Bon Appétit say oat milk is formed when steel cut oats or whole groats are soaked in water, blended and then strained.

The resulting “milk” is...