Families subscribe to a monthly plan of healthy and varied food. They pay a fixed daily fee and get a box of food every day. The bulk-buying savings are saved in a food insurance fund, guaranteeing a proper nutrition for the family even in hard times.
**Updated with the ideas in the comments**
People in low income communities tend to buy the food for the day. This is more expensive (+35%) than buying the food in bulk and leads to monotonous and unhealthy food choices, such as candies and carbs.
The idea is for a social business to create a fixed monthly menu families can subscribe to. Families pay daily and get a box with food every day.
The savings from buying the food in bulk (around 35%) can be saved in a food insurance fund that can be used to guarantee proper food for the family when they can't pay for it.