My milk delivery came yesterday. The thing with buying milk from a real cow is that it’s not always the same. This week I pulled nearly a quart of cream off the top of my gallon, and the cream is thicker than it’s been before. Almost like English cream — slightly lumpy. This might be alarming except that I know my cows (well, I know my cow-lady). I took the leftover cream from last week and mixed it in with the creme fraiche I already had going (I bought a tub at the local gourmet store to use for starter).…