You can serve this colourful salad as a first course or a side dish. It can be refrigerated for 5 days.

Drain artichokes and cut each in 6 pieces. In a large bowl, mix artichokes, olives, red pepper, celery, mushrooms, green onions and parsley.
In a small bowl, mix the dressing ingredients, stir in the vegetable mixture.
Serve on a bed of lettuce leaves or as a side dish for grilled meat or poultry.