If you do enough home cooking and still order a significant amount of takeout then you’ve probably discovered the flawed utility of the circular deli takeout container, those opaque eight-, 16-, and 32-ounce plastic receptacles that your egg-drop soup, Massaman curry, or vegetable jalfrezi arrives in. I hope you don’t consign these to the landfill when you’ve finished because they’re pretty good for storing other leftovers, or new ingredients, or even non-food-related odds and ends. I use them most often for stock—my freezer is always crammed with liquid meat. And I go through a lot of them for this purpose. Inevitably I yank open the freezer door and one or more of them tumble to the floor, sending plastic and stock shrapnel flying at toe level.