1/2 cup molasses
2 tablespoons butter
1 teaspoon vanilla extract
1 cup milk
1 small onion, pounded into small pieces
In a medium mixing bowl, combine molasses and butter. Stir together. Strain through a sieve into a clean bowl. Cover and refrigerate 1 hour so that flavors can blend.
Dissolve milk in molasses mixture. Preserve remaining mixture in liquor of your choice. Serve hot or cold.