Here's a recipe I found on the Internet:

FRENCH COFFEECAKE
Yield: 12 Servings

1/2 cup butter or margarine
1 cup sugar
3 eggs
3 cups flour
3 tsp baking powder
1/2 tsp baking soda
1/2 tsp salt
1 cup milk

Filling/topping:
1/4 cup baking cocoa
1/4 cup sugar
1/4 cup chopped walnuts or hazelnuts

Preheat oven to 350F.

Beat butter with sugar until very light and fluffy. Blend in eggs one at a time. Sift dry ingredients. Add dry ingredients alternately with
milk into creamed mixture.

Turn batter into a greased and floured 9 inch tube or angel pan. Sprinkle with the topping or if desired add 1/2 batter/ 1/2 topping and repeat and swirl cocoa mixture into batter with knife.

Bake 350 for 45 minutes to 1 hour or tested done.
remove cake after 15 minutes to cool completely. Cake freezes well.

"Wonderfully light and tasty".