Scald a mason jar clean, really get it nice and hot
Add 16 ounces of room temperature heavy whipping cream
Add 2 teaspoons of lemon juice
Add 3 tablespoons of full fat probiotic yogurt
Make sure the ingredients are well combined and give it a little shake
Wrap the jar in a tea towel and cover it tightly
Place the jar in the oven with the light on, but without heat so that the cultures can activate and thicken the sour cream
Store the sour cream in the refrigerator for up to two weeks
