I stopped buying mayonnaise a couple of years ago when my husband convinced me how easy (and tasty!) it is to make from scratch. But it wasn't until one fateful afternoon when Alex added fresh tarragon to a batch of mayonnaise that I officially lost my mind. We've dubbed this magical light green spread "tarragonaise" and there's has been plenty of ribbing regarding my name, "tara," and the fact that this stuff is "gone" as soon as we make it. I like to smear tarragonaise on t