2. When blanching cowpeas, bring the water in the pot to a rolling boil and then add the beans. Keep the heat high, boil and then cook for about 5 minutes is basically almost done.
3. There are two types of cowpeas: long cowpeas and rice cowpeas. Long cowpeas, also known as vegetable cowpeas, are generally eaten as vegetables and can be both stir-fried and blanched and then cold. Rice cowpeas are generally used as food for cooking porridge and making bean paste filling.