3/4 c. sugar
1/2 c. butter, softened
1 tsp. vanilla
3 eggs
2 c. flour
1 tsp. baking powder
1 tsp. baking soda
1/8 tsp. salt
1 c. sour cream

FILLING & TOPPING:

1 1/4 c. firmly packed brown sugar
1 c. chopped walnuts
2 tsp. cinnamon
3 tbsp. butter, melted

Heat oven to 350 degrees. Grease and lightly flour 10 inch tube pan. In large bowl cream sugar and butter; add vanilla and eggs. Mix well. Lightly spoon flour into measuring cup, level off. Combine flour, baking powder, soda and salt. Add flour mixture and sour cream alternately to sugar mixture, beginning and ending with flour mixture.

In small bowl, combine filling and topping ingredients, mix well. Spread half of batter in prepared pan, sprinkle with half of brown sugar mixture. Repeat with remaining batter and brown sugar mixture. Bake at 350 degrees for 35 to 40 minutes or until toothpick inserted in center comes out clean. Cool upright in pan 15 minutes. Invert onto large plate or cookie sheet; then invert again onto serving plate, streusel-side up. 16 servings.