Easy No-Bake Chocolate and Condensed Milk Truffles. The recipe calls for plain, vanilla-scented "Marie Biscuits" but French-style Petit Beurre are pretty much the same thing. In the US, Vanilla Wafers would probably work as well. (UK use rich teas)
Marcus Wareing's rich coffee bon-bons recipe, flavoured with Kahlúa, are a sure-fire way to impress dinner party guests. If serving at Christmas, try flaking gold leaf over the serving bowl for an extra special finish.