Season with some tamari sauce or brown rice vinegar. Experiment with different vegetables in different orders when making nishimi. The same three vegetables will have subtle taste differences depending on the order in which they are layered. Remember to chew all food well. Digestion begins with our saliva.
Roasted vegetables are good in winter also.
Toss onions, turnips, carrots, sweet potato, beets in olive oil and oven roast on a baking sheet. Sprinkle with a bit of sea salt. Roast at 350 degrees until fork tender. Use organic vegetables if possible. They are worth going the extra distance for.