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<p>A weekly canteen menu comprising 15 dishes (3 dishes × 5 days) has 1.4 million unique configurations. Here food choice was monitored over four weeks ( ~ 5,000 meals) in a UK university residence. Without students noticing, mathematically optimized menus achieved 30.7% and 6.3% reductions in carbon footprint and saturated fatty acid intake, respectively. This demonstrates the potential of strategic menu manipulation to benefit health and the environment, without the need for recipe changes.</p>

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Dish swap across a weekly menu can deliver health and sustainability gains

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年8月11日

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  • Annika N. Flynn,
  • Taro Takahashi,
  • Alex Sim,
  • Jeffrey M. Brunstrom

摘要

A weekly canteen menu comprising 15 dishes (3 dishes × 5 days) has 1.4 million unique configurations. Here food choice was monitored over four weeks ( ~ 5,000 meals) in a UK university residence. Without students noticing, mathematically optimized menus achieved 30.7% and 6.3% reductions in carbon footprint and saturated fatty acid intake, respectively. This demonstrates the potential of strategic menu manipulation to benefit health and the environment, without the need for recipe changes.