Put the lettuce and half the walnuts in a bowl.
Shake the Balsamic Vinegar, Olive Oil, honey, salt and pepper together in a jar.
Drizzle half the dressing over the salad and toss.
Divide the dressed lettuce and walnuts between 4 medium plates.
Cut the beetroot into slices or small chunks, depending on what you prefer.
Arrange the beetroot and mango slices on top of the dressed lettuce and walnuts.
Scatter the salads with the remaining walnuts and the pomegranate seeds.
Serve with the remainder of the dressing on the side.