1 tbsp. baking powder
1 tsp. salt
1/4 tsp. baking soda
1/4 cup vegetable oil
3/4 cup buttermilk
8 tbsp. (1 stick) butter, softened
3/4 cup granulated sugar
1 tsp. cinnamon
1 cup milk, optional
2. Knead the dough on a lightly floured surface until smooth. Roll dough into a 15x8-in. rectangle.
3. Preheat the oven to 400. Grease a 9-in. round baking pan lightly.
4. Spread butter over the dough. Combine granulated sugar and cinnamon in a small bowl and mix well. Sprinkle over butter. Roll up rectangle, jelly roll fashion, starting from one long side. Pinch seam to seal.
5. Cut the roll into 1-1/2 in. slices. Arrange the slices, cut side up, in prepared baking pan. Bake until lightly browned, about 15-20 minutes. Remove from oven. Pour milk over the top, if desired. Serve hot.