Topping:
1 cup brown sugar
1/2 teaspoon cinnamon
1/3 cup chopped pecans or walnuts
11/2 cups hot waterInstructions
Preheat oven to 350º. Whisk together the flour, baking powder, salt, sugar, and spices. Add pumpkin, oil and vanilla. Stir just until blended. Spread into well greased, round casserole dish or 9-inch square pan, set aside.
Mix together the brown sugar, cinnamon, and pecans or walnuts in a small bowl. Sprinkle evenly over the batter. Pour hot water over the top.