Sweet Potatoes

3 c. cooked mashed yams
1/4 c. sugar
1/4 c. butter
1 egg
1 tsp. vanilla

Mix together

Topping:
1 c. brown sugar
1/3 c. flour
1/4 c. butter (softened)
1 c. chopped pecans

Mix together, and put on top of sweet potato mixture
Bake @ 375 degrees for 30 minutes