Our daughter once gave us a box of imported chocolate mini cups, which made any filling an instant dessert. Turns out, if you can melt chocolate you can make them yourself. Paint the inside of small paper baking cups with melted bittersweet chocolate, let harden, then strip off the paper. The crisp accordion pleats make these cups look so much like paper liners, your guests will try to peel them off. It’s such fun—the opposite of fake food. It’s both a craft project and a dessert. Better yet, fill these petite cups with mascarpone chocolate cream and you get a dreamy, deep chocolate that melts away with each heavenly bite. Mascarpone—the milder and creamier…