If you were born after the '50s, there's one holiday cookie that will instantly make you nostalgic for your childhood: the peanut butter blossom. It's hard to imagine a world without sweet peanut butter cookies paired with milk chocolate Hershey's Kisses, but such a place existed before 1957. The result: McGarry's Easy Peanut Butter Cups, which feature bourbon peanut butter …
