Combine dry cake mix with pudding mix and butter. Add eggs one at a time, stirring well.
Add rum, mix and then stir in butterscotch chips.
Line or spray mini muffin pans and fill 2/3 with batter. Bake until just done, 10-12 minutes. Remove after cooling several minutes and let cool completely before icing
Almond Buttercream
Combine ingredients and beat until desired consistency. Makes enough icing for 4 1/2 dozen cupcakes
Notes
This recipe will make 2 dozen regular cupcakes if preferred. Increase baking time, and bake until just done.