FREE Online Cooking Classes from the Milk Street Online Cooking School Posted On March 29, 2020 Get FREE Online Cooking Classes from the Milk Street Online Cooking School! At the Milk Street Online Cooking School you won’t learn just recipes, you’ll learn new ways to approach food and cooking, giving you a reinvigorated enthusiasm for putting dinner on the table. As most of us will be spending more time at home and in the kitchen over the coming weeks, we are making our entire line of online cooking classes available for free through April 30, 2020.