You just have to find a set of recipes that contains a lot of common ingredients. E.g. if you have 2 bell peppers, one day you can stir fry stipes of it with so

You just have to find a set of recipes that contains a lot of common ingredients. E.g. if you have 2 bell peppers, one day you can stir fry stipes of it with some meat, the next day you can fill the other with rice and bake it, the day after you make a rice omelette using the leftover rice that didn't fit in the bell pepper...