Measure rice accurately using the plastic measuring cup that came with your Zojirushi rice cooker and add to the inner cooking pan. Fill the pan with cold water and quickly rinse the rice once to remove any debris, and drain.
water to the corresponding water level for “BROWN RICE.” Cook the rice using the “BROWN” setting.
While rice is cooking, set a heavy-based sauté pan on stove top over medium-high heat, add olive oil and sauté onions for 2-3 minutes until translucent.
Add ground turkey, season well with salt and pepper and brown well, breaking it up with a wooden spoon – about 7-10 minutes.
Add ketchup, mustard, cayenne pepper, brown sugar and tomato paste. Reduce heat and simmer for 10-12 minutes, or until mixture is thick but not dry.
When brown rice is finished cooking, add to the sauté pan and stir to combine with turkey mixture. Add red wine vinegar, adjust seasoning if needed and serve on rolls.