Combine broth, Lima beans, and garlic in a medium sauce pan.
Simmer on low heat for 1-2 hours, or until Lima beans are soft.
Add dandelion greens and simmer another 10 minutes.
Puree and season with black pepper.
*Pressure cooker instructions - place all ingredients in a pressure cooker and cook for 15 minutes on high pressure. Natural pressure release or quick release after 10 minutes. Puree and serve.