In the kitchen of each wife's area there was a similar improvised exhaust system made from sheet metal to expel kitchen smells.

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Sanchez used three different countertop heights in the kitchen, each with multiple purposes.

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The series launched this month and streams live from the Kenmore kitchen in Chicago each Thursday through May 12.

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And finally, ground yourself regularly, with exercise and meditation, or with direct service, like spending time each month quietly serving in a soup kitchen.

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And a new management structure, in which each manager is held accountable for a specific area of the operation, such as the kitchen or service, is expected to improve the customer experience, according to franchisees.

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Successful candidates work eight hours a day, 40 hours a week and each training session is meticulous (knives and sharper kitchen implements are kept under lock and key when not in use).

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