…dily available. After that, I would come home and spend about 30 minutes chopping everything up and putting it into a six-liter Tupperware container. (Tupperware is a brand name of plastic bowls with lids, common in the U.S.—the brand isn’t important, but the name has become shorthand for many of us.) Pop it in the fridge, and you essentially have your food for the next three days.