Heat oven to 350 degrees. Oil a 11 3/4" x 7 1/2" baking dish.
Combine yams, eggs, brown sugar, orange juice, oil, lime peel, lime
juice and nutmeg in large bowl. Beat at low speed of electric mixer until just blended. Increase speed to medium and beat until well blended.
Fold in banana's and marshmallows with spoon. Transfer to baking dish. Cover dish with foil.
Bake at 350 degrees for 20 minutes. Remove foil. Bake 10 additional
minutes. Sprinkle with additional lime peel.