Yes, this cafe would be worth knowing about for their dessert souffles alone - some dozen or so varieties ranging from vanilla to Grand Marnier and Calvados. But Le Souffle also offers a full menu of remarkably high-quality French cooking, from straightforward starters like scallop salad and foie gras to substantial meat and fish dishes. Plus some dozen savory souffles, including a standout salmon souffle.
Main-course prices add up (Y1400-3000 per dish a la carte), but there's an economical Y5000 full-course dinner that includes appetizer, fish and meat courses, topped off with a dessert souffle. And the wine list has some very nice choices in the under-Y5000 range.
If you're here just for dessert, you won't be disappointed - besides the sweet souffles there are a couple dozen other choices, including an excellent Calvados-infused apple pie and several ice cream concoctions. The tea lounge in front sells chocolates and cakes to go. One thing to note - in spite of the prices, this is basically a cafe, with a corresponding level of service and decor - rather than a full-blown restaurant. Also, remember to bring your money - credit cards are not accepted. On the plus side, the cafe portion stays open all day, so you can drop by for a mid-afternoon souffle when most Tokyo restaurants are closed.