Step 1

Pre-heat oven to 325° (160° celsius)

Step 2

In a small bowl mix together brown sugar and cinnamon, set aside.

Step 3

In a large bowl cream butter and sugar, then add the eggs, beat until fluffy.

Step 4

In a medium bowl sift together flour,baking powder, baking soda and salt.

Step 5

Add dry ingredients alternately with sour milk, ending with sour milk to creamed mixture. Add vanilla and mix well.

Step 6

Spoon 1/3 of the batter into a greased 8" (20.5 centimeter) springform pan. Sprinkle with 1/2 of the cinnamon mixture. Spoon another 1/3 of the batter on top, then remaining cinnamon mixture and then top with the remaining batter. Bake for approximately 50-60 minutes or until toothpick comes out clean and dry. Remove from oven and let cool. Enjoy!