I posted recipe for Hiyashi Chūka, chilled summer noodles, some time ago. If you can get the ingredients, it's fairly easy. You'll find the recipe in the thread below (
Food Creations! Post your home made food images and recipes here).
Regarding other dishes, here's a list of simple Japanese dishes you can easily look up on the internet:
- Okayu, a more sticky version of rice porrige with various toppings
- Zōsui, rice soup with various toppings
- Ochazuke, green tea over rice with various toppings
- Oyakodon, egg and chicken over rice, or other Donburi dishes
- homemade Ramen or other noodle soups
- Onigiri, rice balls
- Omu-Rice, rice-filled omelette
- Tamagoyaki, egg rolls
- Tamago kake gohan, raw egg over hot rice (looks like
this)
If you want to try something more difficult, check out the following dishes:
- Nikuman, savory, filled dumplings
- Gyōza, potstickers
- Karē, Japanese curry
Good luck and have fun!