1 qt. vanilla ice cream, softened
1 lb. butter, softened
1 lb. brown sugar
1 lb. powdered sugar
1/2 tsp. allspice
1 tsp. nutmeg
1 tsp. cinnamon
rum
boiling water

Cream all of the ingredients except rum and water; freeze. To serve, put 1 ounce of rum and 3 Tbsp. of the frozen mixture in a mug and fill with boiling water.