I found these very cute aprons and thought you might find them perfect for setting the mood during dinner prep and consumption. They can be found at http://susanandveronica.com Maybe they can help spark a plan for your special night.
6. Pour batter over nuts into the prepared pan, spreading evenly. Bake in lower third of oven at 350° for or until a wooden pick inserted into the center comes out with a few moist crumbs. Cool tart in pan 20 minutes on wire rack. Invert tart onto serving platter.