Step 1

In a large bowl, pour in one quart of raw cream.

Step 2

Sprinkle package of sour cream starter over raw cream and stir well.

Step 3

Pour cream mixture back into jar, using a funnel.

Step 4

Cover with a towel or cheese cloth and leave in a warm place until the desired amount of sourness has been reached, about 12 hours.

Step 5

Cover with a lid a store in the fridge.