Friday Snack: Rich & Charlie’s Salad

1 head romaine
1 head iceburg
1 can drained artichoke hearts
1 can hearts of palm, chopped
1 four oz. jar pimentos
1 lg red onion, thinly sliced
1/2 cup freshly grated parmesan cheese
Fresh ground pepper to taste
1/2 cup olive oil
1/2 cup vinegar

Mix all above listed ingredients just before serving.