When Martha Stewart first published this recipe in her Martha Stewart Living Magazine in 1995, she had an entire article explaining the "where's/how's/and what not to do's" with regards to lemon curd. I had only ever purchased lemon curd prior to this recipe, and wasn't impressed with it. Too thick, too tart and short shelf life for the very high price. THIS recipe changed my mind: soft, teasingly tart, the ability to make it tarter or softer in flavour all had me saying "THIS IS THE WORLD'S…