My instant pot isn't consistent in temperature for saute or high heat. I heat up the milk in a separate pot and use an instant read thermometer to ensure it hit

My instant pot isn't consistent in temperature for saute or high heat. I heat up the milk in a separate pot and use an instant read thermometer to ensure it hits the correct temperature. When you mix the culture into a small part of the milk, make sure to get that to a fairly smooth consistency before adding it to the rest. That also seems to help achieve a smoother result.