From: Victoria House

Victoria House Coffee Cake

9" round metal cake pan (treat lightly with vegetable spray)
Oven 375 degrees (round glass dish - 350 degrees
Bake 40 minutes
Medium bowl

2 cups flour
2 cups brown sugar (do not pack)
1/2 cup chilled butter (cut butter into chucks)
Using a pastry knife, cut butter into the dry mixture
Add to dry mixture
1 egg lightly beaten
1 cup Buttermilk (low fat is okay to use)
1 t Baking Soda
1t Pure Vanilla Extract

Mix by hand to blend together
Pour into a cake tin
Sprinkle with cinnamon
Check center with a knife - comes out clean