Tear the lettuce into bite-sized pieces. Chop up the melon, and the grapes and strawberries if you so wish.
Slice the cheese. Sprinkle the seeds and nuts on top.
Combine all the salad ingredients. Pour the salad dressing into the bowl before adding the salad. Heap the salad into the bowl and toss thoroughly before serving, so that all the lettuce gets a good covering of dressing.