Heath Bar Coffee Cake

Directions

1. 1
   Mix together flour and sugars.
2. 2
   Cut in butter until it looks like course meal.
3. 3
   Take out 1/2 cup to save for topping.
4. 4
   To the rest add buttermilk, baking soda, egg and vanilla.
5. 5
   Blend well. Grease 9 x 12-inch cake pan.
6. 6
   Add 1/2 batter, top with 1/2 the topping.
7. 7
   Cover with the rest of the batter and the rest of the topping.
8. 8
   Bake at 350° for 30-40 minutes.
9. 9
   (Until toothpick inserted in middle comes out dry.)