Slice 1 inch from top of artichokes; trim stem even with base.
Cut off sharp tips of outer leaves.
Rinse artichokes under cold water.
Arrange in upright position in square baking dish, 8 x 8 inches.
Pour 1/4 cup water into baking dish.
Cover with plastic wrap.
Microwave at HIGH (100%) until lower leaves can be pulled off with a slight tug and base is fork-tender, 10 to 16 1/2 minutes, rearranging artichokes once during cooking.
Mix remaining ingredients.
Serve with artichokes.