Heat the walnuts with the butter in a pan and roast them lightly.
Clean the field lettuce and remove the water well. It is best to core half a pomegranate in a bowl of water under water so that it does not splash. Mix the dressing with the remaining ingredients in a separate bowl and stir with a fork or whisk so that the honey is distributed.
Mix the salad with walnuts, pomegranate seeds and dressing in a bowl and serve.