It maintains their green chlorophyll colour .
Also called ofutaku , it is an ingredient produced by burning dried bean pods , banana peelings , etc. and mixing the ash with water before sieving to produce a brown liquid used to cook greens like osubi .
ingredient maintains their green chlorophyll colour .
Also called ofutaku , it is an ingredient produced by burning dried bean pods , banana peelings , etc. and mixing the ash with water before sieving to produce a brown liquid used to cook greens like osubi .