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Cornerstone Kitchen has announced a significant step forward in its sustainability journey, reinforcing its commitment to responsible catering that balances creativity, quality and environmental impact.

The Midlands-based catering company, known for delivering theatre-led dining experiences for weddings, corporate events and private celebrations, has partnered with ReFood, a specialist food waste recycler that uses anaerobic digestion technology to transform unavoidable food waste into renewable energy and nutrient-rich fertiliser.

“Sustainability has always been embedded in how we operate,” said James Gilhooley, Founder of Cornerstone Kitchen.  “Working with ReFood means our food waste becomes energy and fertiliser that goes back into the food system. It’s a genuine closed-loop process and ensures we’re handling waste in the most responsible way possible.”

All food waste is segregated and collected through our partnership with ReFood, ensuring it is recycled through anaerobic digestion rather than sent to landfill.

Cornerstone Kitchen also works closely with responsible suppliers including Aubrey Allen, Flying Fish Seafoods and Worcester Produce, prioritising seasonal, ethically sourced and fully traceable ingredients.

While the company’s signature menus remain consistently structured, the ingredients evolve throughout the year to reflect what is at its best seasonally, allowing chefs to showcase high-quality produce while providing clarity and consistency for clients.

Inside the kitchen, a strong waste-reduction philosophy underpins operations, with chefs using root-to-leaf and nose-to-tail techniques and turning trimmings into stocks, purées and garnishes. Weekly food waste tracking has helped reduce waste while improving ordering accuracy and efficiency.

“Sustainability doesn’t replace quality – it enhances it,” James added. “It encourages us to think more creatively while delivering food that celebrates ingredients and respects where they come from.”

Looking ahead, Cornerstone Kitchen aims to further strengthen its environmental impact through improved sustainability tracking and continued collaboration with responsible suppliers.