What kind of vegetable needs pre cooking before packing?

There isn't one specific vegetable that *needs* pre-cooking before packing. It depends on how you plan to use the vegetable later and how you're packing it.

Here are some scenarios where pre-cooking might be beneficial:

* Preserving for long-term storage: For canning or freezing, most vegetables benefit from blanching (briefly boiling or steaming) to inactivate enzymes that cause spoilage and retain color and texture. This includes green beans, corn, carrots, peas, and many others.

* For convenience: Pre-cooking vegetables can save time later, especially if you're packing lunches or preparing meals on the go. You could roast or steam vegetables like broccoli, cauliflower, or sweet potatoes and pack them for later use in salads or stir-fries.

* For specific recipes: Certain dishes require pre-cooked vegetables. For example, you might pre-cook potatoes for a potato salad or sauté onions for a stew.

Here are some examples of vegetables that are commonly pre-cooked before packing:

* Potatoes: Pre-cooked and chilled potatoes are great for packing in lunches or salads.

* Carrots: Blanched or roasted carrots are a convenient addition to lunchboxes or meal prep containers.

* Broccoli: Steamed broccoli can be packed for a healthy side dish or added to a salad.

* Beans: Canned beans are already pre-cooked and ready to use.

* Corn: Frozen corn is a great option for quick and easy meals.

Important Note: Always ensure proper food safety practices when pre-cooking and packing vegetables. Use clean containers and ensure the food is properly chilled to prevent bacterial growth.