Sugar cone. You will definitely need it for Feuerzangenbowle

Recipe for Feuerzangenbowle:

For 10-12 glasses. Ingredients: 2 organic oranges, 2 organic lemons, 4 bottles dry red wine, 2 cinnamon sticks, 3-4 whole cloves, 1 sugar cone, 0.7l rum (54 vol%). Wash oranges and lemons in hot water and cut into wheels. Heat up wine, citrus wheels and spices in a casserole but do not boil. Place sugar cone in sugar cone holder over the pot, drench completely with rum and inflame.  When flame diminishes, pour more rum from a ladle (never directly  from the bottle!). Once the whole sugar cone has disintegrated, take the holder off the pot, stir and enjoy.