- 1 fluid ounce spiced rum (such as Sailor Jerry®)
 - 1 fluid ounce butterscotch schnapps
 - 1/2 teaspoon imitation butter flavoring
 - 1 (12 fluid ounce) can or bottle cream soda
 - 1 small scoop vanilla ice cream (optional)
 
- Stir rum and butterscotch schnapps together in a frosted 14-ounce mug.
 - Pour butter flavoring into the cream soda, then turn cream soda over to pour quickly into the chilled mug. Gently drop the ice cream into the soda mixture.