Coated sushi roll and method of manufacturing and preparing the same

A method for producing a food product to be prepared in a form in which said food product is ready for immediate consumption, having a crispy outer layer comprising a batter layer, said method comprising, in that order, the steps of:

• (i) preparing a product roll, having a diameter of between 2 and 8 centimeters and a length of between 5 and 20 centimeters, by:
• providing an edible core that is ready for immediate consumption, comprising at least one product selected from the group consisting of vegetables, fruits, meats, fishes, seafoods and dairy products;
• surrounding said core with a casing of an at least partially cooked grain product to form a cylindrical body that comprises said core surrounded by said casing;
• surrounding said cylindrical body by a barrier layer of an edible sheet;
• forming a batter by mixing a part flour with water to form a cohesive batter;
• coating said barrier layer with the batter to form a layer of said batter over the cylindrical body;
• and
• arranging crumbs on said batter layer to form a crumb layer;
• (ii) subjecting said product roll to a freezing step for complete freezing thereof to a frozen state by dry-freezing or shock-freezing at a maximum starting temperature of around negative 60 degrees Celsius prior to heating the product roll by baking or deep-frying;
• (iii) storing said product roll in said frozen state;
• and
• (iv) deep-frying or baking said product roll from said frozen state to a state at which said batter and crumb layer are baked or deep-fried into the crispy outer layer, while said core is no more than just defrosted, to bring the product into said form in which it is ready for immediate consumption;
• wherein the at least one product used to form the edible core is applied in a raw, uncooked, fresh, or refreshed form, and is kept that way at least up to the freezing step of step (ii).