# US 5,707,674 A · Method of manufacturing baked farinaceous foodstuff products > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 5,707,674 A - Document ID: US5707674A - Status: Granted - Kind: A - Application number: 08/571,917 - Filed: 1995-12-29 - Granted: 1998-01-13 - Earliest claimed: 1994-05-10 - Assignees: The Milton Keynes Process Limited - Inventors: Graham John Andrews - Web page: https://patentgrep.com/patent/US5707674A ## CPC - A21D 8/06: Baking processes - A21D 15/02: by cooling {, e.g. refrigeration or freezing} - A21D 15/00: Improving finished {, partly finished or par-baked} bakery products (refreshing bakery products A21D17/00) - A21D: TREATMENT OF FLOUR OR DOUGH FOR BAKING, e.g. BY ADDITION OF MATERIALS; BAKING; BAKERY PRODUCTS (preservation of flour or dough before baking A23B40/00; preservation of bakery products A23B45/00) ## Abstract A method of manufacturing bread products comprises the sequential steps of subjecting dough pieces to baking, the baking conditions being such that the crumb of each piece is fully developed but not the crust thereof in order to obtain partially baked bread pieces; exposing the partially baked bread pieces to a vacuum cooling stage; and, after a delay, subjecting the partially baked bread pieces to further heating, whereby the crust is fully developed and baked bread products result. ## Claims ### Claim 1 A method of manufacturing baked farinaceous foodstuff products comprising the steps of: a) subjecting dough pieces to baking, the baking conditions being so arranged that a crumb of each piece is fully baked, but a crust formation is incomplete, in order to obtain partially baked farinaceous foodstuff pieces, b) prior to wrapping, placing the partially baked farinaceous foodstuff pieces resulting from step (a), whilst still hot, into a vacuum cooling chamber in which a vacuum environment rapidly removes moisture and develops structure and strength of the crust of the foodstuff pieces, which are still partially baked, and, after a delay, c) subjecting the partially baked farinaceous foodstuff pieces resulting from step (b) to a further heating process whereby baked farinaceous foodstuff products result. ### Claim 2 (depends on 1) A method according to claim 1 in which steam is applied during step (a) to maintain humidity and prevent dehydration of the crust. ### Claim 3 (depends on 1) A method according to claim 1 in which the baking conditions of step (a) are carried out at a temperature not in excess of 200.degree. C., steam being applied during step (a) to maintain humidity and prevent dehydration of the crust. ### Claim 4 (depends on 3) A method according to claim 3 in which the duration of baking in step (a) is at least 20 minutes. ### Claim 5 (depends on 1) A method according to claim 1 in which the baking conditions of step (a) are carried out at a temperature not in excess of 150.degree. C. for a period of at least 40 minutes, steam being applied during step (a) to maintain humidity and prevent dehydration of the crust. ### Claim 6 (depends on 1) A method according to claim 1 in which, after step (a), the partially baked farinaceous foodstuff pieces are transferred directly into the vacuum environment of step (b) with no substantial temperature fall before entry into the vacuum environment. ### Claim 7 (depends on 1) The method of claim 1 in which there is no active cooling step between steps (a) and (b). ### Claim 8 (depends on 1) The method of claim 1 wherein the process of step (c) employs radio frequency heating means. ### Claim 9 (depends on 1) The method of claim 1 wherein the process of step (c) employs microwave frequency heating means. ### Claim 10 (depends on 1) The method according to claim 1 wherein the period of said delay is not more than seven days in ambient storage conditions. ### Claim 11 (depends on 1) The method according to claim 1, wherein the period of delay is in excess of seven days in appropriate storage conditions. ### Claim 12 (depends on 3) The method according to claim 3, wherein the farinaceous foodstuff product is bread, and wherein step (a) takes place over a period of 14 to 40 minutes at 140.degree.-200.degree. C. ### Claim 13 (depends on 12) The method of claim 12, wherein the product is bread rolls and step (a) takes place over a period of 14 to 18 minutes. ### Claim 14 (depends on 12) The method of claim 12, wherein the product is French sticks and step (a) takes place over a period of 16 to 20 minutes. ### Claim 15 (depends on 12) The method of claim 12, wherein the product is 400 gm bread and step (a) takes place over a period of 30 to 40 minutes. ### Claim 16 (depends on 1) The method according to claim 1, wherein step (a) takes place in an oven in which a baking temperature and humidity are variable. ### Claim 17 (depends on 16) The method of claim 16, wherein a first environment of the oven is provided by a mixture of steam and non-steam heat. ### Claim 18 (depends on 17) The method of claim 17 wherein remaining environments of the oven are provided by non-steam heat only. ### Claim 19 (depends on 1) The method of claim 1, wherein step (c) is so arranged as to generate a foodstuff piece core temperature of at least 55.degree. C. ### Claim 20 (depends on 1) The method of claim 1, wherein the foodstuff product is bread and wherein step (c) takes place for 6 to 14 minutes at 200.degree. C.-250.degree. C. ### Claim 21 (depends on 1) A method according to claim 1 wherein a fermented sponge, in either liquid or plastic state, is added to a mix used to form the pieces subjected to the first baking step (a) of the process. ### Claim 22 (depends on 1) A method according to claim 1 wherein a preservative is sprayed on the surface of the partially baked farinaceous product after leaving the vacuum chamber of step (b) of the process. ### Claim 23 A method of manufacturing a partially baked farinaceous foodstuff product that is capable of being stored without freezing and subsequently heated to produce a fully baked moisture-containing farinaceous foodstuff product, the method comprising the steps of: a) subjecting dough pieces to baking, the baking conditions being so arranged that a crumb of each piece is fully baked, but a crust formation is incomplete, in order to obtain partially baked farinaceous foodstuff pieces, b) prior to wrapping, placing the partially baked farinaceous foodstuff pieces resulting from step (a), whilst still hot, into a vacuum cooling chamber in which a vacuum environment develops structure and strength of the crust of the foodstuff pieces in order to produce partially baked farinaceous foodstuff pieces which are in a condition suitable for storage and subsequent heating to produce a baked farinaceous foodstuff product. ### Claim 24 A method of manufacturing a partially baked farinaceous foodstuff product that is capable of being stored without freezing and subsequently heated to produce a baked farinaceous foodstuff product, the method comprising the steps of: a) subjecting dough pieces to baking, the baking conditions being so arranged that a crumb of each piece is fully baked, but a crust formation is incomplete, steam being applied to maintain humidity and prevent dehydration of the crust, in order to obtain partially baked farinaceous foodstuff pieces, b) prior to wrapping, placing partially baked farinaceous foodstuff pieces resulting from step (a), whilst still hot, into a vacuum cooling chamber in which a vacuum environment rapidly removes moisture and develops structure and strength of the crust of the foodstuff pieces, in order to produce partially baked farinaceous foodstuff pieces which are in a condition suitable for storage and subsequent heating to produce a baked farinaceous foodstuff product. ### Claim 25 A method of manufacturing baked moisture-containing farinaceous foodstuff products comprising the steps of: a) subjecting dough pieces to baking, the baking conditions being so arranged that a crumb of each piece is fully baked, but a crust formation is incomplete, in order to obtain partially baked farinaceous foodstuff pieces, b) prior to wrapping, placing the partially baked farinaceous foodstuff pieces resulting from step (a), whilst still hot, into a vacuum cooling chamber which rapidly removes moisture and develops structure and strength of the crust of the foodstuff pieces, which remain partially baked, c) after a delay, subjecting the partially baked farinaceous foodstuff pieces resulting from step (b) to a further heating process whereby baked farinaceous foodstuff products result, and d) wrapping the baked farinaceous products ready for sale. ### Claim 26 A method of manufacturing baked moisture-containing farinaceous foodstuff products comprising the steps of: a) at a first baking location subjecting dough pieces to baking, the baking conditions being so arranged that a crumb of each piece is fully baked, but a crust formation is incomplete, in order to obtain partially baked farinaceous foodstuff pieces, b) prior to wrapping, placing the partially baked farinaceous foodstuff pieces resulting from step (a), whilst still hot, into a vacuum cooling chamber in which a vacuum environment removes moisture and develops structure and strength of the crust of the foodstuff pieces, which remain partially baked, c) distributing said partially baked farinaceous foodstuff pieces from said first location to a plurality of second baking locations remote from said first baking location and, d) at each of said second baking locations subjecting the partially baked farinaceous foodstuff pieces resulting from step (b) to a further heating process whereby baked farinaceous foodstuff products result ready for sale. ### Claim 27 A method of manufacturing baked moisture-containing farinaceous foodstuff products comprises the steps of: a) subjecting dough pieces to baking at a first location, the baking conditions being so arranged that a crumb of each piece is fully baked, but a crust formation is incomplete, in order to obtain partially baked farinaceous foodstuff pieces, b) prior to wrapping, placing the partially baked farinaceous foodstuff pieces resulting from step (a), whilst still hot, into a vacuum cooling chamber which removes moisture, develops structure and strength of the crust of the foodstuff pieces and provides partially baked farinaceous products having staling retarding properties, and c) after a delay, subjecting the partially baked farinaceous foodstuff pieces resulting from step (b) to a further heating process at a second location whereby baked farinaceous foodstuff products result ready for sale and having substantially the same characteristics as conventionally baked farinaceous foodstuff product.