Clay recipe (just corn starch, baking soda, and water) for making ornaments - can bake them in the oven or allow to air dry.) but I found a recipe: cup cornstarch 1 cup baking soda cup water Bake at 175
Heart shaped gingerbread with a slit to hang from a glass of mulled wine (make the cut rather wide before baking because gingerbread swells slightly in the oven). The cookie sounds like a cute and simple thing
Or poke holes in them and string them as a garland.