Chocolate Chunk Coffee Cake

From a domino sugar bag. Rich and sinful.

Oven 350 degrees.

Grease 10-inch tube pan.

Combine for topping: chocolate , nuts , 2 / 3 cup sugar and set aside.

Beat sugar and butter till light and fluffy.

Beat in eggs , sour cream , and vanilla till well mixed.

Combine flour , baking powder , and baking soda in another bowl and add to batter slowly.

Beat till smooth.

Spoon and spread evenly 1 / 3 batter into pan.

Sprinkle topping and alternate layers two more times.

Bake 55-65 minutes or till toothpick inserted in center comes out clean.

Cool on rack in the tube pan for 20 minutes before putting out onto serving plate.

semisweet chocolate, walnuts, white sugar, margarine, eggs, sour cream, vanilla, all-purpose flour, baking powder, baking soda, salt