1. Add 32 oz ultra-filtered, ultra pasteurized whole milk and 32 oz of ultra pasteurized heavy whipping cream to the liner of an instant pot. (For a lower calorie, lower fat option, use 64 oz whole milk only.) Put the lid on and seal closed. Instant Pot with Yogurt Button: Press the "yogurt" button. Instant pot will slowly heat the milk up to 180 degrees. If your Instant Pot doesn't have a Yogurt Button: Press the "keep warm" and heat milk for 40-45 minutes. Remove the lid and press "sauté". Insert a candy thermometer and heat milk until it reaches 180 degrees F.