1. Heat oven to 350°F. Grease 9-inch square baking pan.
2. Stir together flour and sugar in large bowl. Remove 1/4 cup mixture; set aside for topping. Stir baking soda, baking powder and salt into remaining flour mixture. Add butter, egg, milk and syrup; beat until well blended. Pour batter into prepared pan. Sprinkle reserved flour mixture over top.
3. Bake 35 to 40 minutes or until wooden pick inserted in center comes out clean. (Cake will have a very slight sink in the center.) Serve warm or at room temperature. 12 to 16 servings.