Greek Salad

1 head romaine lettuce, torn
4 tomatoes, chopped
1/2 red pepper, chopped
1/2 green pepper, chopped
1/2 cucumber, chopped
1 red onion, sliced
200g feta cheese, cubed
50g black olives
Salad dressing to taste

Mix all the salad ingredients into a bowl. Pour on dressing.