Wasabi is great! if you like the taste, I also recommend the japanese wasabi peas as a snack. They are crunchy with a slight wasabi flavor. They're not too hot either.
Red bean is great! My fiancee and I love it too. Its one of our favorites as well when we go to Japanese restaurants. We actually found some at our local japanese market. If you have a japantown in your area they should have some at a local grocery store. You may also want to try mochi. Its a...