When I was in London last summer, I had this delicious chocolate truffle filled with a rich creamy caramel and sprinkled with shortbread crumbs and small crispy candies. After eating it, I looked at the label on the box and saw that it was called a “Millionaire’s Shortbread Truffle”. I hadn’t heard of a “Millionaire’s Shortbread” before, but based on its truffle form, I knew it must be something delicious.…