"Ryuji, I believe in you!" Berck's seriously developed, 6 collaboration ready-to-eat dishes supervised by culinary researcher Ryuji are finally on sale!
Berck, a supermarket chain, is launching a series of 6 ready-to-eat collaboration dishes supervised by popular culinary researcher Ryuji, available sequentially from May 7, 2026. These authentic yet convenient meals aim to enrich the dining tables of busy modern individuals, enhancing customer satisfaction and boosting sales.
📋 Article Processing Timeline
- 📰 Published: May 7, 2026 at 20:00
- 🔍 Collected: May 7, 2026 at 11:31
- 🤖 AI Analyzed: May 7, 2026 at 11:54 (22 min after Collected)
Berck Co., Ltd. (Location: Tsurugashima City, Saitama Prefecture; Representative Director and President: Issei Harashima) will sequentially release a total of 6 collaboration ready-to-eat dishes supervised by culinary researcher Ryuji at all Berck stores starting Thursday, May 7, 2026.
■ Berck's ready-to-eat dishes, recognized by culinary researcher Ryuji as "seriously delicious!", are now complete.
Based on numerous recipes by culinary researcher Ryuji, Berck, a food supermarket, has developed 6 ready-to-eat dishes that it can confidently offer to customers, through repeated prototyping and supervision.
These are Berck's confident masterpieces, personally endorsed by culinary researcher Ryuji himself as "seriously delicious!". They can be easily enjoyed by those who are busy and don't have time to cook, or those who find cooking to be a high hurdle.
The products will be released sequentially in three phases, with a total of 6 items available for a limited time until Tuesday, August 4, 2026.
【Phase 1】Seriously supervised by culinary researcher Ryuji!
[Sales Period] Thursday, May 7, 2026 – Tuesday, August 4, 2026
Ryuji's Seriously Delicious Tonkatsu
Ryuji's Seriously Delicious Tonkatsu
Price: 369 yen (399 yen including 8% tax)
Sales Stores: All Berck stores (excluding CLBE stores)
Made with thorough attention to detail, referencing the "Supreme Tonkatsu" recipe. By mixing various sizes of breadcrumbs, the texture is less likely to be lost over time. It can be enjoyed as is or with arrangements. Culinary researcher Ryuji himself praised it, saying, "I want to make katsudon with this tonkatsu."
*May be sold out at some stores.
*Selling prices may change.
Seriously Delicious! Addictive W Salmon Pickled Bowl
Price: 499 yen (539 yen including 8% tax)
Sales Stores: All Berck stores (excluding CLBE stores)
Offering culinary researcher Ryuji's "Legal Salmon Pickled" in a donburi style using the original's recommended vinegared rice! The salmon uses two types, fillets and belly, allowing you to enjoy different textures. The umami and richness of the oyster sauce are the key to its addictive taste! Eating it with the gari (pickled ginger) provided at the store service tightens the flavor and enhances its deliciousness.
*May be sold out at some stores.
*Selling prices may change.
【Phase 2】Seriously supervised by culinary researcher Ryuji!
[Sales Period] Friday, June 5, 2026 – Tuesday, August 4, 2026
Feast! Seriously Delicious Pork Shoulder Roast
Price: 299 yen per 100g (323 yen including 8% tax)
Sales Stores: All Berck stores (excluding CLBE stores)
Referencing culinary researcher Ryuji's roast pork recipe, it is marinated in a special sauce using two types of soy sauce, secret ingredient kelp, and oyster sauce. The moist and tender roast pork overflows with meaty umami with every bite. Culinary researcher Ryuji highly praised this dish, saying, "It's like authentic char siu bought from a specialty store."
*May be sold out at some stores.
*Selling prices may change.
Infinite Loop! Seriously Delicious Corned Beef Bowl
Price: 499 yen (539 yen including 8% tax)
Sales Stores: All Berck stores (excluding CLBE stores)
Offering culinary researcher Ryuji's "Infinite Corned Beef Cucumber" in a donburi style, highly recommended by the original! The saltiness of the corned beef is accented by the refreshing, crispy texture of cucumber. Furthermore, the aroma of sesame oil stimulates the appetite. Culinary researcher Ryuji praised it, saying, "Deliciousness and price only available at Berck!"
*May be sold out at some stores.
*Selling prices may change.
【Phase 3】Seriously supervised by culinary researcher Ryuji!
[Sales Period] Sunday, July 5, 2026 – Tuesday, August 4, 2026
Delicious!! Seriously Delicious Fried Chicken Thigh
Price: 219 yen per 100g (237 yen including 8% tax)
Sales Stores: All Berck stores (excluding CLBE stores)
By using carbonated water for marinating, the meat is finished moist and tender. With culinary researcher Ryuji's special spice-infused marinade, it results in a flavorful fried chicken with a gentle aroma of spices.
*May be sold out at some stores.
*Selling prices may change.
This is it! Seriously Delicious Western-style Tuna Tataki Bowl
Price: 499 yen (539 yen including 8% tax)
Sales Stores: All Berck stores (excluding CLBE stores)
Referencing culinary researcher Ryuji's "Western-style Negitoro" recipe, a tuna tataki bowl was created. It's a new sensation Western-style tuna tataki bowl with the flavors of lemon, olive oil, and pepper. With one bite, you can enjoy the tuna tataki bowl.
■ Berck's ready-to-eat dishes, recognized by culinary researcher Ryuji as "seriously delicious!", are now complete.
Based on numerous recipes by culinary researcher Ryuji, Berck, a food supermarket, has developed 6 ready-to-eat dishes that it can confidently offer to customers, through repeated prototyping and supervision.
These are Berck's confident masterpieces, personally endorsed by culinary researcher Ryuji himself as "seriously delicious!". They can be easily enjoyed by those who are busy and don't have time to cook, or those who find cooking to be a high hurdle.
The products will be released sequentially in three phases, with a total of 6 items available for a limited time until Tuesday, August 4, 2026.
【Phase 1】Seriously supervised by culinary researcher Ryuji!
[Sales Period] Thursday, May 7, 2026 – Tuesday, August 4, 2026
Ryuji's Seriously Delicious Tonkatsu
Ryuji's Seriously Delicious Tonkatsu
Price: 369 yen (399 yen including 8% tax)
Sales Stores: All Berck stores (excluding CLBE stores)
Made with thorough attention to detail, referencing the "Supreme Tonkatsu" recipe. By mixing various sizes of breadcrumbs, the texture is less likely to be lost over time. It can be enjoyed as is or with arrangements. Culinary researcher Ryuji himself praised it, saying, "I want to make katsudon with this tonkatsu."
*May be sold out at some stores.
*Selling prices may change.
Seriously Delicious! Addictive W Salmon Pickled Bowl
Price: 499 yen (539 yen including 8% tax)
Sales Stores: All Berck stores (excluding CLBE stores)
Offering culinary researcher Ryuji's "Legal Salmon Pickled" in a donburi style using the original's recommended vinegared rice! The salmon uses two types, fillets and belly, allowing you to enjoy different textures. The umami and richness of the oyster sauce are the key to its addictive taste! Eating it with the gari (pickled ginger) provided at the store service tightens the flavor and enhances its deliciousness.
*May be sold out at some stores.
*Selling prices may change.
【Phase 2】Seriously supervised by culinary researcher Ryuji!
[Sales Period] Friday, June 5, 2026 – Tuesday, August 4, 2026
Feast! Seriously Delicious Pork Shoulder Roast
Price: 299 yen per 100g (323 yen including 8% tax)
Sales Stores: All Berck stores (excluding CLBE stores)
Referencing culinary researcher Ryuji's roast pork recipe, it is marinated in a special sauce using two types of soy sauce, secret ingredient kelp, and oyster sauce. The moist and tender roast pork overflows with meaty umami with every bite. Culinary researcher Ryuji highly praised this dish, saying, "It's like authentic char siu bought from a specialty store."
*May be sold out at some stores.
*Selling prices may change.
Infinite Loop! Seriously Delicious Corned Beef Bowl
Price: 499 yen (539 yen including 8% tax)
Sales Stores: All Berck stores (excluding CLBE stores)
Offering culinary researcher Ryuji's "Infinite Corned Beef Cucumber" in a donburi style, highly recommended by the original! The saltiness of the corned beef is accented by the refreshing, crispy texture of cucumber. Furthermore, the aroma of sesame oil stimulates the appetite. Culinary researcher Ryuji praised it, saying, "Deliciousness and price only available at Berck!"
*May be sold out at some stores.
*Selling prices may change.
【Phase 3】Seriously supervised by culinary researcher Ryuji!
[Sales Period] Sunday, July 5, 2026 – Tuesday, August 4, 2026
Delicious!! Seriously Delicious Fried Chicken Thigh
Price: 219 yen per 100g (237 yen including 8% tax)
Sales Stores: All Berck stores (excluding CLBE stores)
By using carbonated water for marinating, the meat is finished moist and tender. With culinary researcher Ryuji's special spice-infused marinade, it results in a flavorful fried chicken with a gentle aroma of spices.
*May be sold out at some stores.
*Selling prices may change.
This is it! Seriously Delicious Western-style Tuna Tataki Bowl
Price: 499 yen (539 yen including 8% tax)
Sales Stores: All Berck stores (excluding CLBE stores)
Referencing culinary researcher Ryuji's "Western-style Negitoro" recipe, a tuna tataki bowl was created. It's a new sensation Western-style tuna tataki bowl with the flavors of lemon, olive oil, and pepper. With one bite, you can enjoy the tuna tataki bowl.