Instructions: Mix together flour, sugar, salt and walnuts. Add butter in small pieces. Rub in by hand until mixture is crumbly. Be careful not to over-mix.

Heat the oven to 350 degrees. Butter and flour a 10-inch tube pan.

All ingredients should be at room temperature. Mix together cake and all-purpose flours, baking soda and baking powder in large bowl.

In separate bowl, cream together butter with sugar by beating mixture until fluffy and light. Add egg and vanilla and mix well. Add half flour mixture, mixing just until flour is blended. Blend in sour cream, then remaining flour mixture.

Spread half batter lightly into 10-inch tube pan. Sprinkle with half Topping and spread with remaining batter. Sprinkle with remaining Topping. Bake at 350 degrees 40 to 45 minutes.

This recipe yields 8 to 10 servings.

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