You can turn almost any dessert into a bar. That's the beauty of this kind of dessert. And when you get invited to a party, ...

These Lemon Bars strike the perfect balance between a buttery shortbread crust and a zingy homemade lemon curd filling. With the help of cream of tartar, the filling thickens enough to stay in place.

With this simple shortbread recipe, you can make six different holiday cookies to share. Photographs by Mark WeinbergFood Styling by Yossy Arefi What is the single most important ingredient in a great ...