The time to cook Cordyceps mushrooms depends on the type of Cordyceps mushroom and the way it is cooked. Generally, fresh cordyceps mushrooms need to be cooked for 2-3 minutes while dried cordyceps mushrooms need to be cooked for 15-30 minutes. Here is a step-by-step procedure to cook cordyceps mushrooms:

List of ingredients:

* Cordyceps mushrooms (fresh or dried)

* Clean water (adjusted according to personal taste)

* Salt (optional)

Steps to make:

1. Prepare the cordyceps mushrooms by washing them well with water first if they are fresh, or if they are dried, they need to be Soak in water until soft, about 20-30 minutes.

2. Boil a pot of water and add the mushrooms to the pot.

3. If you are using fresh cordyceps mushrooms, cook for 2-3 minutes and turn off the heat; if you are using dried cordyceps mushrooms, cook for 15-30 minutes and turn off the heat, you can adjust the cooking time according to your personal taste.

4. After the mushrooms are cooked, you can sprinkle some salt to taste, or add other seasonings according to your personal taste.

5. Cooked Cordyceps mushrooms can be eaten directly or used in other dishes.

All in all, the cooking time of Cordyceps mushrooms depends on the type of Cordyceps mushrooms and the way of cooking, which need to be adjusted appropriately according to the actual situation.