This is one of my all time favorite 'restaurant' recipes. Anytime I go to a restaurant and I see grilled artichokes on the menu, I order them. I've found that I like them best when simply grilled with a little bit of seasoning and a great dipping sauce. I used to be intimidated by making a dipping sauce- especially those named 'aioli' until I discovered that 'aioli' is mayonnaise... Now I use mayonnaise as a base to make all kinds of great dipping sauces- this lemon and caper is one of my favorites. It is great with grilled shrimp, too- a favorite from my catering days.