We spend 4 to 8 weeks in Paris every year, and we eat out most meals. I love soupe gratinée à l'oignon (French onion soup) and I order it every time I see it on the menu. I.e. I've had it a lot in a...lot of different restaurants. Each one is slightly different. The French onion soup that I had at the Café Bonaparte was probably the best I've ever had. They use a beef stock which I prefer over the chicken stock version found in some restaurants. The stock had an incredible depth of flavor as if It had been simmering for days. The onion slices had been sautéed and were buttery soft, but not mushy and just the right amount of bread and cheese melted on top. I also had the Bonaparte salad which consisted of small thin slices of roast beef on small slices of toast on a bed of lettuce. It was Ok, but it's the soupe that will be bringing me back. The servers were incredibly friendly even though the place was packed early on a Sunday afternoon. (Just 5 days ago)More