納豆カレー.

 So, I must say, I've had my fair share of variety of ingredients to go along with my Japanese curry. 

A few examples would be:

-Curry rice/udon with beef/pork

-Curry with cheese

-Katsu curry

-Vegetable curry

-Curry omu rice

-Baked curry rice

-Curry bread

But you do you know what I've never tried?

NATTO CURRY.

What have I been missing out on all my life?

This was like the best thing ever!