What does the smothering technique of cooking food involve?

"Smothering" is not a common culinary technique with a specific definition. It's likely you're thinking of a different technique. However, there are a few ways food is cooked that involve covering it while cooking:

* Braising: This technique involves searing meat or vegetables, then adding liquid and simmering it, covered, for a long time. This tenderizes the meat and allows flavors to meld.

* Steaming: Food is cooked by exposing it to steam. This can be done in a steamer basket, or by placing food in a pot with a small amount of water.

* Pot roasting: This is similar to braising, but typically involves using a single pot and less liquid. The food is covered and roasted in the oven.

Could you provide more context about the specific cooking method you are interested in? That would help me understand what you're looking for. For example:

* What type of food are you cooking?

* What is the cooking method called (if you know)?

* What are you trying to achieve with this method?

Once I have more information, I can give you a more accurate answer.