So you want to make some yogurt?
(Or Lactic Acid Fermentation Lab)
Wash hands with warm, soapy water!!
Click here for lesson plan.
Add 20 g (4 tsp) of instant milk powder
Dissolve the milk powder by adding 55 ml (2 oz) of warm tap water
Stir in 5 g (1 tsp) of plain commercial yogurt
Put foil on the cup
Place yogurt in the incubator for 4- 8 hours, or overnight.
After incubation, remove yogurt and refridgerate until time to test.
Yogurt will not be very sweet. If you want, you may add jam or sweetners before you try it. Enjoy!
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