Ingredients
2 1/4 cups flour
1 teaspoon baking powder
1/2 teaspoon baking soda
1/2 teaspoon cinnamon
1/2 teaspoon cloves
1/4 teaspoon nutmeg
1/4 teaspoon salt
1/2 cup brown sugar
1/2 cup sugar
2 eggs
1 teaspoon black walnut flavoring
1 cup buttermilk
1/2 cup butter
Black Walnut Crumb Topping:
1 cup flour
1/2 cup sugar
Dash of salt
1/2 cup brown sugar
1 teaspoon cinnamon
1 stick margarine
1 cup coarsely chopped black walnuts
Directions
Sift all dry ingredients together. Set aside. Beat butter, sugar for about 3 minutes until well blended. Beat in eggs one at a time, then beat for 2 minutes. Add black walnut flavoring. On low speed beat in the flour and buttermilk, beat for 2 minutes.
Black Walnut Crumb Topping:
In medium bowl stir together flour, sugars, salt, and cinnamon. With pastry cutter cut in butter until crumbly, stir in black walnuts. Keep cool until time to put on cake batter.
Spoon half of batter into prepared pan, top with half of crumb topping. Add rest of batter and finish off with rest of crumbs.
Bake at 350° for 50 to 60 minutes in greased 9-inch pan.