8 c. raw sweet potatoes, shredded
3 sticks butter
3 c. sugar
1 c. brown sugar
2 c. milk
1 tsp. vanilla
1 tsp. cinnamon
4 eggs
1/2 c. finely chopped pecans
3/4 c. pecan halves
Miniature marshmallows

Place shredded potatoes in a buttered rectangular pan. Mix all other ingredients except marshmallows and pecan halves. Pour mixture over potatoes. Bake at 325 degrees, uncovered for 1 1/2 hours. Then top with pecan halves and bake 30 minutes. Add a layer of marshmallows and return to oven for about 5 minutes or until slightly brown.