Preheat oven to 350 degrees. Grease one 9x5 inch loaf pan.

Measure 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.

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.

Bake for about 50 minutes. Test with toothpick. When inserted it should come out clean. Remove bread from pan to rack to cool.



Notes: If you don't have buttermilk, you may substitute milk with 1 Tablespoon vinegar to measure 1 cup.

This bread has the texture of banana bread with a warm, cinnamon flavor. I love it for breakfast.
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