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.