Here are some more questions:
1. What food do you think is healthy?
2. What food do you think is unhealthy?
3. What restaurant in this area would you recommend?
4. How often do you go out to eat and where do you usually go?
5. Can you cook? If you can, what?
6. What's the worst restaurant you have ever been to?
7. If you were going on a date in Umeda tonight, where would you take your date?
8. Which city has better food - Tokyo or Osaka? Why do you think so?
9. If you were about to die what would be the last thing you want to eat?
10. What's the most expensive meal you have ever bought?
11. What's the most disgusting thing you have ever eaten?
12. Is it better to buy organic food?