Too good to go is a mobile app that lets you buy discounted surprise bags of food which would have been thrown away at the end of the day. Although it might not suit everyone, (especially if you are a fussy eater!) there is the opportunity to buy food at around a third of the retail price. What is available at any time is dependant on your location and the offers from retailers at that time.
See the link for more details: https://www.toogoodtogo.com/en-gb/user