Sweet Potato Casserole
["3 c. mashed sweet potatoes", "1/2 c. sugar", "1 stick margarine, melted", "1 tsp. vanilla", "2 eggs, beaten", "1 c. brown sugar", "1/3 c. melted butter", "1/2 c. flour", "1 c. chopped pecans"]
["Mix first 5 ingredients together well. Pour into lightly buttered 9 x 13-inch casserole dish. Mix brown sugar, margarine, flour and pecans until crumbly. Cover sweet potato mixture with this. Bake, uncovered, at 350\u00b0 for 30 minutes. Serve warm."]
["mashed sweet potatoes", "sugar", "margarine", "vanilla", "eggs", "brown sugar", "butter", "flour", "pecans"]