Preheat oven 350 degrees. Butter and flour a 9x5x3 inch metal baking pan. Whisk 1 1/2 cups flour, 1 cup sugar, 1 teaspoon cinnamon, baking soda and salt in medium bowl. Whisk next 5 ingredients in large bowl until smooth. Add dry ingredients; stir to blend. Transfer batter to the pan. Mix 2 tablespoons sugar, 1 teaspoon cinnamon, and brown sugar. Sprinkle over batter.
Bake bread until tester inserted into center comes out clean, about 1 hour. Cool bread in pan 30 minutes. Turn pan on its side; slide bread out, being careful not to dislodge topping. Turn bread right side up and cool completely.