4 lbs. sweet potatoes or yams
12 tbsp. butter
2 eggs
3/4 tsp. cinnamon
1/2 c. sugar
1 c. flour
1 c. chopped pecans

Butter a 2 quart baking dish. Peel and quarter sweet potatoes. Put in a large pot of salted water; bring to a boil and cook until tender, about 15 minutes. Drain and mash. Melt 4 tablespoons of the butter in the hot pot. Stir in potatoes, eggs, and cinnamon; mix well. Put in prepared baking dish. Heat oven to 350 degrees. Melt remaining 8 tablespoons butter. Combine flour, sugar, and a pinch of salt. Stir in butter; add pecans and mix until crumbly. Sprinkle nut mixture over potatoes. Bake until golden brown, 30 to 35 minutes.