FOR CINNAMON STREUSAL TOPPING:Mix everything together
1/2cupchopped walnuts
2teaspoonscinnamon
4tablespoonsbrown sugar
Instructions
Preheat oven to 350 Degrees Fahrenheit or 175 Degrees Celsius. Grease and dust a 9 inch pan with flour.
Whisk together all purpose flour + salt + baking powder + baking soda and keep aside.
Cream butter + sugar until soft and fluffy. Add eggs one by one beating well after each addition. Add sour cream and vanilla and mix well on low.
Add dry ingredients to the egg mixture in batches on low speed. Beat well for additional minute. Batter will be thick.
For chocolate layer: Remove 3/4 cup of batter into a separate bowl. Add cocoa + milk and whisk everything well.
Pour vanilla batter into a prepared pan. Pour chocolate batter over this batter in a circle. Take a skewer or toothpick and create swirls. Bake for 30-40 minutes or until a toothpick inserted into the center of the cake comes out clean.
Recipe Notes
If you want to omit chocolate, feel free to do so. This cake tastes good without chocolate too.