Arugula Salad with Goat Cheese, Bosc Pears, and Walnuts

basically it the same recipe as pear salad with gorgonzola except take out the salad dressing an substitute olive oil and balsamic.

1 bag arugula
1 onion
150g goat cheese
bosc pear cut into bite sized pieces
walnuts
olive oil
balsamic vinegar
A pinch of salt and pepper