The new items are part of Nissui’s Spring/Summer 2026 product concept

Nissui launches microwave-ready grilled and fried fish dishes for busy households

JAPAN
Wednesday, January 21, 2026, 05:00 (GMT + 9)

New additions to the “Today’s Side Dish” frozen food series aim to meet growing demand for convenient, authentic seafood meals in Japan

Nissui Corporation (Representative Director, President and CEO: Akira Tanaka), headquartered in Minato-ku, Tokyo, announced it will release three new frozen food products in its popular “Today’s Side Dish” series on March 1. The new lineup includes “Today’s Side Dish: Microwaveable Grilled Salt Mackerel,” “Grilled Sawara with Kyoto-Style Saikyo Flavor,” and “Fried Horse Mackerel with Plum and Shiso Leaf.” Designed for home use, all three products can be prepared simply by heating them in the microwave.

The new items are part of Nissui’s Spring/Summer 2026 product concept, titled “Working closely with customers to bring joy through new food.” The company says the products were developed to enrich everyday meals and deliver what it calls “soul-satisfying pleasure” at the dinner table, even on busy weekdays.

Salted-grilled mackerel | 138kcal (per 70g). Photo: Nissui

Responding to lifestyle changes and demand for fish dishes

In recent years, Japan has seen a steady increase in dual-income households and single-person households, driving strong demand for ready-to-eat and easy-to-prepare meals. According to industry trends, fish-based prepared foods are especially sought after for their nutritional value, including high-quality protein and omega-3 fatty acids, but are often avoided at home due to the time required for preparation, cooking odors, and food waste.

Nissui aims to address these issues by offering authentic-tasting fish dishes that require no grilling, frying, or cleanup, making them accessible even to consumers who rarely cook seafood at home.

'Sawarano' Boneless Saikyo-yaki Mackerel | 138 kcal (per 70g bag). Photo: Nissui

Product highlights and proprietary technology

The “Grilled Salt Mackerel” is seasoned with shio koji and seaweed salt from Awaji Island, then grilled to achieve a fragrant finish. The “Grilled Sawara Saikyo Style” is marinated overnight in a blend of white miso, sugar, mirin, sake, shio koji, and soy sauce, creating a rich flavor that emphasizes sweetness and umami, characteristic of Kyoto-style Saikyo cuisine.

Both grilled items use Nissui’s proprietary “Fluffy Marinating Technique,” which helps maintain a soft, moist texture even after microwave heating—a common challenge for frozen fish products.

The “Fried Horse Mackerel with Plum and Shiso” features horse mackerel coated in a unique batter and homemade-style breadcrumbs, then topped with a sauce made from plum (ume) and shiso leaves, delivering a light, crispy texture with a refreshing, tangy finish.

Fried Horse Mackerel | 138kcal (per 70g). Photo: Nissui

Expanding the “Today’s Side Dish” lineup

Nissui has previously introduced microwaveable fish dishes under the “Today’s Side Dish” brand. With the addition of these three new products, the company further expands its frozen seafood lineup, offering greater variety and flexibility for home meals.

By combining traditional Japanese flavors, modern freezing technology, and microwave convenience, Nissui hopes to continue supporting changing lifestyles while encouraging consumers to enjoy fish more frequently as part of their daily diet.

面倒な魚料理を電子レンジで簡単に！

「今日のおかず レンジでできる さばの塩焼き」・「同 さわらの西京焼き」・「同 あじの梅しそフライ」(家庭用冷凍食品)を新発売

株式会社ニッスイ(代表取締役 社長執行役員 田中 輝、東京都港区)は、ご家庭の食卓に向けた惣菜を揃えた「今日のおかず」シリーズ(家庭用冷凍食品)の新商品として、「今日のおかず レンジでできる さばの塩焼き」「同 さわらの西京焼き」「同 あじの梅しそフライ」の3品を3月1日に発売します。人気の"焼き魚"や"魚のフライ"が、電子レンジであたためるだけで手軽に召しあがれる商品です。

本品は、ニッスイの2026年春・夏の新商品のコンセプト「お客さまに寄り添い、新しい"食"でお客さまの喜びに貢献します」のもと、食卓の充実を通じてお客さまの「ココロを満たす(Pleasure)」ことを目指して開発しました。
近年、共働き世帯や単身世帯の増加により、手軽に食べられる食卓惣菜が求められています。なかでも魚惣菜はニーズが高いものの、下ごしらえや調理の手間、調理後のにおいや生ごみなどの負担が課題となっており、手軽に食べられる魚惣菜の需要は高い状況にあります。
本品は、手間のかかる本格的な魚料理を電子レンジであたためるだけで、手軽に味わえるようにした冷凍食品です。
「さばの塩焼き」は、淡路島の藻塩を使用し塩麹で漬け込み、香ばしく焼き上げ、「さわらの西京焼き」は、白味噌、砂糖、みりん、酒、塩麹、しょうゆで一晩じっくり漬込み、香ばしく焼き上げることで、甘味・旨味がきわだつ奥深い味わいに仕上げました。どちらも、ニッスイ独自の「ふっくら漬け込み技術」により、レンジ調理でもふっくらとした食感が楽しめます。
また、「あじの梅しそフライ」は、アジフライの中に、大葉と梅のさわやかな酸味を感じられるソースを入れ、独自のバッター液と自家製パン粉を使用することでサクッと軽い食感に仕上げました。

ニッスイはこれまで、「今日のおかず」シリーズでレンジ調理の魚メニューを提案してきました。今春も3品をラインアップに加え、手軽に召しあがれる魚惣菜のバリエーションをさらに充実させ、新しい食卓の選択肢を提案することで、お客さまのより豊かな食事をサポートしていきます。

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