Wash the mixed lettuce thoroughly and pat dry.
Tear the lettuce into bite-sized pieces and place in a large salad bowl.
Carefully remove the pomegranate seeds from the fruit.
Add the pomegranate seeds to the bowl with the lettuce.
Crumble the feta cheese over the salad.
Chop the walnuts coarsely and sprinkle them on top.
In a small bowl, whisk together olive oil, balsamic vinegar, salt, and pepper.
For a touch of sweetness, add honey to the dressing if desired.
Drizzle the dressing over the salad just before serving.
Toss gently to combine all ingredients without bruising the lettuce.