Aunti Rachel's Brown Sugar Frosting (Old Fashioned Fruit Cake Frosting-- From Aunti Midge Johnson-Fee's Collection)

1/4 Cup Butter

1 Cup White Sugar

1 Cup Brown Sugar

1/4 Cup Karo Syrup

1/2 Cup Cream

Add a lump of butter before heating. Boil 3 minutes, cool for 10. Beat until it starts to set, then spread.