How to Pasteurize Milk

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How to Pasteurize Milk

Fresh milk is a healthy addition to one’s diet. Fresh milk is all well and good, but milk that came raw from the cow is another thing altogether. Pasteurize raw milk in your own home using these steps to avoid problems that come with unpasteurized milk. Here’s how.


  • Raw milk
  • Double boiler
  • Metal-stem thermometer
  • Glass milk bottles
  • Pan of ice-cold water
  • Metal stirrer


    1. Get raw milk from your sources. Most dairy farms are allowed to privately sell raw milk. You can also barter for raw cow or goat milk from neighboring farms if you want.

pasteurized milk

  1. The empty milk bottles must be cleaned and dried. Boil them submerged in water for around ten minutes to disinfect effectively. Another method of disinfecting milk bottles is by placing them in a preheated oven at around 100 degrees Celsius for 20 minutes to disinfect effectively.
  2. Put your double boiler on the stove. Fill the bottom section with water and raw milk on the top section of the double broiler.
  3. Turn on the heat and start heating the double boiler. Heat the raw milk to 145 degrees Fahrenheit. Use a metal-stem thermometer to monitor the temperature, not letting it touch the bottom or the sides of the top section to ensure that you’re getting the right temperature.
  4. Keep constantly stirring the milk to prevent it from burning up and maintain an even temperature.
  5. Maintain the temperature for at least 30 minutes.
  6. Make sure that the pan of ice-cold water is half-filled and bigger than the topmost section of the double broiler, where the milk is.
  7. Put the top section of the double broiler into the pan of ice-cold water. The aim here is to cool down the milk as quickly and as evenly as possible.
  8. Keep on stirring the milk until it cools down to 40 degrees Fahrenheit or below.
  9. You can now pour the pasteurized milk in the disinfected milk bottles. Cover well and chill the milk in the refrigerator.

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