​“Is there too much Kahlua?” It struck her as a strange question. She, for one, didn’t know a way to remove an ingredient from peaks of whipped cream, once it had already been incorporated. But she answered her daughter, anyway. After all, it was she who may have given this to her — the compulsive need to check. On the other hand, Martha seemed rather grounded in the task. She was attempting a Tiramisu-Cheesecake, which read like a question as much as a title — “How is that g