Sweet Potato Casserole

4 cups sweet potato, cubed                       1/2 teaspoon vanilla extract
1/2 cup white sugar
2 eggs, beaten                                         1/2 cup packed brown sugar
1/2 teaspoon salt                                     1/3 cup floour
4 tablespoons butter                                 3 tablespoons butter, softened
1/2 cup milk                                            1/2 cup pecans

Preheat oven to 325 degrees. Put sweet potatos in a medium saucepan with water to cover. Cook over medium high heat until tender; drain and mash.

In a large bowl, mix together the sweet potatoes, sugar, eggs, salt, butter, milk and vanilla. Mix until smooth. Transfer to  a 9x 13 inch baking dish.


In a medium bowl, mix the sugar and flour. Cut in the butter until the mixture is coarse. Stir in the pecans. Sprinle te mixture over the sweet potato mixture.

Bake in a preheated oven 30 minutes, or until toppping is ligtly brown.