Onza sits in Otsu as a focused study of jidori chicken and charcoal yakitori, where the scent of burning binchotan and simmering broth fills the air. From the first step inside, the kitchen's purpose is clear: jidori chicken prepared simply and precisely to reveal texture, fat, and natural sweetness. The name Onza appears on reservations and review threads for a reason—guests travel from Kyoto and across Shiga to taste its signature courses. Primary searches for jidori chicken and yakitori lead here, and the dining experience answers the question, “Where do I find authentic jidori in Otsu?” with clarity and flavor.

Chef Kawanaka Kohei leads the kitchen with practical expertise and an ingredient-first philosophy that respects the animal and the land. He trained around Japan and returned to Shiga to work directly with local farmers, shaping a menu around chickens raised without chemicals on the farm beside the restaurant. That close relationship is central: daily deliveries mean heat meets fresh meat, not frozen product. Onza earned the Tabelog Bronze Award 2025 and a 3.99 score, recognition that reflects steady local praise and consistent execution. The restaurant's reputation on Tripadvisor and regional guides shows diners value the honest approach and the accessible prices, such as the Gidori Torinabe course priced at approximately 3,800 JPY. Kawanaka Kohei emphasizes using every part of the bird, ensuring minimal waste and maximal flavor in each course.

The culinary journey at Onza begins with precise skewers and ends with a communal hot pot. Expect Jidori Yakitori skewers grilled over charcoal until the skin crisps and the meat remains silky; salt and tare accents highlight the chicken's innate sweetness. The Gidori Torinabe course centers on a jidori chicken hot pot with clear, flavorful broth made from bones and aromatics, finished at the table so guests taste the stock's progression. Seasonal offerings appear as small plates—vegetables and mushrooms sourced locally, simple vinegared salads, and a rotating selection of cuts from breast to thigh, prepared to different temperatures for contrast. The yakitori technique relies on high, even heat and timing to render fat while keeping flesh tender; the result is a smoky edge tempered by bright citrus or soy-based sauces. Beverage choices—beer, shochu, wine, and whiskey—are selected to cut through fat and refresh the palate.

Inside, the atmosphere is practical and welcoming rather than ornate. Floors include tatami and kotatsu seating for small groups, a counter facing the grill for close observation, and a terrace for lingering evenings. Lighting is soft without being dim, letting guests focus on the food and company. Service at Onza is attentive and instructive: staff explain cuts, recommend the order of skewers, and time the torinabe so the group eats at its best rhythm. The design favors traditional materials—wood, paper, and plaster—paired with straightforward, comfortable seating that encourages sharing and conversation.

Best times to visit Onza are evening services on Monday, Friday, Saturday, and Sunday between 18:00 and 21:00; reservations are recommended given limited seating. Dress is smart casual; many guests come from nearby Kyoto for a relaxed yet purposeful meal. Phone reservations are possible via 0120-003-129, and walk-ins may face a wait during weekend service.

If you want a direct taste of Shiga's jidori and the craftsmanship of Chef Kawanaka Kohei, reserve a table at Onza. Expect charcoal smoke, richly layered broth, and portions built for sharing. Book early to secure the Gidori Torinabe course and experience why Onza draws diners from across the region.