All greens on the tough side, such as turnip greens, mustards, and dandelions, can be cooked by this method. Boil gently, uncovered, in a large pot until the broth is flavorful, 30 to 40 minutes: 10 cups water 5 ounces salt pork or smoked pork neck bones Tear into small pieces: 3 pounds collard greens, well washed Add to the pot along with: 1 small red dried chili pepper, seeds removed (optional) Simmer, uncovered, just until tender, 15 to 30 minutes, stirring occasionally. Drain and remove the salt pork or neck bones. Serve with: Red wine vinegar or Southeast Asian Peanut Dipping Sauce