When faced with not being able to find an ingredient for a recipe, sometimes you just have to make it. Especially when the it's as simple as Crème Fraîche. Two ingredients and 24 hours later I had created this decadent cultured cream sporting just the right tang and thickness. It's food science magic. Crème Fraîche is served on desserts, especially good on crumbles, crisps & puddings. Or, stirred into a