Her companion site Kansha cooking means appreciation, and one way of demonstrating it in the kitchen and at table is to avoid waste. Using food fully means re-thinking your kitchen habits, focusing special attention on what could — and should — be used… considering what might be saved, rather than discarded.
A popular concept in Japanese food culture is mottainai, meaning, “waste not, want not”. In the Japanese kitchen, ingredients that might be rejected in other cultures have real value. Japanese cooks make tasty dishes from materials other chefs are likely to throw away.