If you don't own a pressure cooker, this recipe will still work in a slow cooker. You just have to cook it for 6 hours, as opposed to 5 minutes! This recipe comes from America's Test Kitchen's cookbook "Pressure Cooker Perfection". ATK had adjusted the amount of milk and bread crumbs to create a sturdy meatball that won't fall apart in the pressure cooker. The marinara sauce is made from scratch, and only takes a few minutes to put together. It's also really delicious. Please click on the .....