While my husband and I were still dating, he introduced me to a dear friend of his named Tim. Tim soon became a dear friend of mine too. But early in our nascent friendship, I knew only a few things about him: He was an artist with a quick and twisty wit (like meets like!) who loved a good dinner party and adored tiramisu. He would test every version of the Italian classic that he could, whether it be wheeled out on a silver cart or displayed in a diner’s s