Parisian Sweets for Mother's Day

The manic personality of these meringue cookie sandwiches not only drives the home cook crazy, but professional bakers can't always explain their fickle ways either. "It's a recipe that's not about a recipe, it's about a technique," says David Lebovitz. They are easy to make, just difficult to perfect. But the flavor makes eating all the rejects on your quest for the flawless form a true pleasure.