Grease round pan, 9 x 1 1/2". Mix all ingredients except Streusel Topping until moistened. Spread batter in pan; sprinkle with Streusel Topping. Bake in a preheated 400 degree oven until wooden toothpick inserted in center comes out clean, about 20 to 25 minutes. Serves warm. Streusel Topping: Mix all ingredients until crumbly.