This box of Japanese curry concentrate is a lifesaver when I don't know what to make for dinner.  I usually have a protein like chicken or pork cutlets in the freezer that thaw quickly and rough-cut celery, carrots, onions and maybe yellow potatoes.  I buy the large box for leftovers.  It makes a nice comfort food rice bowl for me.  I suppose it could be made without protein, but makes it feel less hearty. 

It is available in various heat levels medium hot 

Pressure cook Brown and White rice for lower carbs / Helpful Hacks | Cooking with Aloha, Texas Style (cooking-with-aloha-texas-style.com)