Always, first clean and wash the leaves. Pat dry them. Rip off the leafy part from thick stalk and veins. Add the torn leaves into a large bowl and using your hand, massage kale leaves for 1-2 minutes to soften it. You can add few drops of olive oil , salt and lemon juice to season it. Or you may simply crush it with any seasonings. Some people just combine this raw leaves, olive oil, squeeze lemon juice and refrigerate overnight to soften the leaves.