Steam sweet potatoes and set aside. Soak raisins in rum. Mix eggs and next 5 ingredients; add bread pieces, sweet potatoes and raisins (toss in the unabsorbed rum too!) Bake in Two 11 x 7 x 1 1/2 dishes at 350 for one hour or until set. Serve with Rum Sauce and enjoy!
Rum Sauce: Melt butter, stir in rum; add powdered sugar, wisk until smooth; stir in egg yoke; cook 5 minutes and serve warm.