Waste Not?

I have an aversion (it might reflect my background and age) to wasting food. A study has suggested that, with better planning, the using up of 'left-overs' and putting food in the freezer, the average family in the UK can reduce their annual food waste by 76% (https://www.theguardian.com/environment/2020/oct/13/households-could-save-858-a-year-by-cutting-food-waste-trial-suggests). This would be a financial saving of almost £860 per year per household, money that could be spent of other things (like house insulation?). More importantly, it would reduce the carbon footprint of these households and, perhaps, leave scope to getting more food to impoverished communities. It's really not that hard to do!