Can You Turn Sour Milk Into Yogurt? Step-by-Step Guide

Learn how to easily turn sour milk into nutritious homemade yogurt with simple steps and a yogurt starter.

Published

Video transcript

Yes, you can turn sour milk into yogurt. Heat the sour milk to around 110°F (43°C), then add a tablespoon of live yogurt or yogurt starter. Stir well and keep the mixture warm (about 110°F) for 4-8 hours until it thickens. Homemade yogurt from sour milk is not only resourceful but also nutritious!

Questions and answers

  1. Is sour milk safe to use for making yogurt?

    Yes, sour milk can be used to make yogurt as long as it is not spoiled or contaminated. Heating it and adding live yogurt cultures helps safely ferment it into yogurt.

  2. What temperature is ideal for making yogurt from sour milk?

    The milk should be heated to around 110°F (43°C) and kept warm at this temperature for 4-8 hours to ensure proper fermentation.

  3. Can I use store-bought yogurt as a starter for homemade yogurt?

    Yes, a tablespoon of store-bought live yogurt can be used as a starter culture to ferment sour milk into yogurt.

  4. How long does it take for sour milk to turn into yogurt?

    It generally takes 4 to 8 hours of incubation at about 110°F (43°C) for sour milk to ferment and thicken into yogurt.