A rolling pin, a refrigerator ... Wrap tightly in plastic wrap; refrigerate at least 2 hours (or up to overnight for more flavor). Place 1 1/2 cups cold butter between two sheets of parchment ...

Stack phyllo sheets on work surface; cover with plastic wrap, then damp kitchen towel. Place 1 phyllo sheet on work surface. Brush with some of melted butter. Top with second sheet; brush with butter.