Sous Vide Your Mashed Potatoes To Keep Every Flavor Intact - Chowhound

In sous vide cooking, ingredients are placed inside a plastic bag, which is then vacuum-sealed shut. This is where the name "sous vide" comes from: French for "under vacuum". Once everything is sealed up tight, the bag is submerged in a water bath, which is temperature-controlled by a special device called a circulator. It's like a hot tub for food, maintaining a steady temperature throughout the cooking process.…