Japanese curry is possibly my ult favorite food. Any suggestions or fun additions to take it to the next level?

Curry udon is hands down my all time favorite food ever (even though my husband prefers rice).

Today's version includes: ground beef, yellow onion, red onion, Brussel sprouts, sweet potato, broccoli, zucchini, Java Curry (hot) roux. Garnished with a poached egg and scallion greens.

If anybody has suggestions, I'm all ears! Not a huge fan of adding apple as I feel it makes it a bit sweet, but I love a bit of dark chocolate when I have it on hand or blanched baby bok choy.