Black Walnut Kuchen

Ingredients

• 2 cups all-purpose flour
• 1 cup sugar
• 1 tablespoon baking powder
• 1 teaspoon salt
• 1 cup milk
• 1/3 cup butter or 1/3 cup margarine, softened
• 1 egg
• Topping
• 1/4 cup brown sugar, packed
• 2 tablespoons flour
• 2 tablespoons butter or 2 tablespoons margarine, softened
• 1 teaspoon ground cinnamon
• 1/4 cup flaked coconut
• 1/4 cup finely chopped black walnuts or 1/4 cup english walnuts