The perfect side to candied fruitcake, plum pudding, or a simple pound cake.
- ½ cup maple syrup
- 3 Tbsp rum
- ½ cup butter, at room temperature
- ½ tsp tonka bean, grated (opt.)
Grate sugar if it’s soft. If not, powder it in a mortar and pestle.
In a bowl, mix sugar and rum together until smooth.
Incorporate butter and tonka bean while stirring with a fork or spatula.