The Ministry of Agriculture’s second annual Rice Ball Competition in Taipei crowned top-performing onigiri entries made from domestically grown grains and vegetarian fillings, with winning products slated for commercialization, convenience store distribution, and international export partnerships aimed at mitigating climate change.
Agricultural policy in Taiwan is increasingly colliding with retail distribution networks and climate consciousness. On a Friday in Taipei, the Ministry of Agriculture’s Agriculture and Food Agency hosted its second annual Rice Ball Competition. The event drew 157 entries from 97 proprietors nationwide, according to agency head Hu Jong-i. The core mandate of the competition isn’t just culinary innovation. It’s an aggressive push to boost the consumption of domestically grown rice varieties while simultaneously reducing carbon footprints through plant-based formulations.
Sustainable Fare and the Rise of the Tree Ring Onigiri
Taking the top place in the “Sustainable Vegetarian Fare” category was a striking creation dubbed the “tree ring onigiri” (年輪飯糰), crafted by chefs at Little Tree Food’s (小小樹食) Daan District store in Taipei. This winning entry utilizes Kaohsiung No. 147 rice (高雄147號米). The grain is first stewed in a vegetable broth before being packed with seasonal ingredients. Meanwhile, the “Style and Charisma category” saw Happiness Rice Ball Shop (幸福稻飯丸) from Yuanlin City, Changhua County, take the win for its savory cheese chicken with sauce onigiri, which uses Tainan No. 16 rice (台南16號).
Hu explained the philosophy behind the vegetarian category during his address at the event. “There are no meat or animal products in the ‘Sustainable Vegetarian Fare’ category, based on seasonal vegetables and domestic grains to create delicious and flavorful vegetarian onigiri. Since they do not contain meat or animal products, they are environmentally friendly, good for responding to climate change and sustainable,” Hu stated.
From Competition Floor to Convenience Store Shelves
Prototypes on a contest table rarely survive the brutal logistics of mass-market cold chains. Yet, the Ministry of Agriculture has built a reliable pipeline from kitchen to checkout counter. Following the inaugural competition last year, the agency assisted in commercializing the top two winning entries. They launched those products in June, shifting 600,000 units over a five-month period. That initial run consumed 28 tonnes of domestically produced rice and generated NT$27.5 million (US$872,683) in turnover. Officials estimate those sales will reach NT$60 million by the end of the year.
The winning entries from this year’s competition are engineered for similar commercial scaling. According to Hu, the winning onigiri will hit the shelves of Taiwan’s 6,000 7-Eleven stores starting in May next year. They will be packaged specifically for cold storage at 18°C.
Global Supply Chains and Export Ambitions
Domestic retail dominance is only the first phase. The administration is eyeing international markets by leaning on established logistics partners. The ministry has formulated plans for direct exports by collaborating with Taiwan’s Si Sheng Foods Industry Co Ltd. That firm already supplies a variety of rice burgers to the United States. Under the current roadmap, winning entries could be mass-produced, frozen, and distributed globally through convenience stores and hypermarkets.

“We have plans for exports by collaborating with Taiwan’s Si Sheng Foods Industry Co Ltd, which has already supplied a variety of rice burgers to the US. The winning entries could be mass-produced, frozen and sold in convenience stores and hypermarkets, and cooperating firms could be found for international export,” Hu noted.
By coupling localized agricultural output with industrial freezing techniques and established export vectors, the initiative attempts to turn dietary habits into a macroeconomic tool for climate mitigation and domestic crop stabilization.