Cinnamon Bread

2 cups all-purpose flour
1 cup white sugar
2 teaspoons baking powder
1/2 teaspoon baking soda
1 1/2 teaspoons ground cinnamon
1 teaspoon salt
1 cup buttermilk
1/4 cup vegetable oil
2 eggs
2 teaspoons vanilla extract
4 tablespoons white sugar
2 teaspoon ground cinnamon
4 teaspoons butter

1. Preheat oven to 350 degrees. Grease one 9x5 inch loaf pan or 4 mini loaf pans.
2. Add flour, 1 cup sugar, baking powder, baking soda, 1 1/2 teaspoons cinnamon, salt, buttermilk, oil, eggs and vanilla into large mixing bowl. Beat 3 minutes. Pour into prepared loaf pan. Smooth top.
3. Combine 2 tablespoons white sugar, 1 teaspoon cinnamon and butter, mixing until crumbly. Sprinkle topping over smoothed batter. Using knife cut in a light swirling motion to give a marbled effect.
4. Bake for about 50 minutes for large loaf pan or 35 minutes for mini loaves. Test with toothpick. When inserted it should come out clean. Remove bread from pan to rack to cool.