1. !. Cut potaoes into 3 pieces each and boil until tender. Cool enough to peel. Combine with ingredients for casserole in a mixer and mix. Put into baking dish. 2. Use a fork to mix the first 5 ingredients for the topping until the butter is well distributed. Add pecans and combine thouroughly. Sprinkle topping onto a casserole. 3. Bake at 350 for 20 minutes and then put them under the broiler just to make the topping crisp.