At the end of an informative talk about the Steamlands at SL9B by Herr Baron Klaus von Wulfenbach, someone mentioned that punch and pie had been promised. And so someone set out a variety of virtual desserts. Well, I don’t have punch, but here’s some family-recipe pie. Long story about this pie: it’s strawberry-rhubarb, and in my family it’s called “Damn Sour Pie.” One of my adult cousins requested it be made several years ago for a big family gathering (it was a sad yet happy gathering; a memorial party for an elderly relative that was truly a party). It…