3/4 c. butter
3/4 c. packed brown sugar
3/4 c. granulated sugar
1 tsp. vanilla
2 eggs
1 3/4 c. flour
1/2 c. cocoa
1 tsp. baking powder
1/2 tsp. soda
18 oz. plain yogurt, room temperature
1 c. walnuts, chopped

Cream butter, sugar and vanilla. Add eggs, one at a time, beating until mixture is light and fluffy. Combine dry ingredients. Add to creamed mixture in thirds, alternately with yogurt. Stir in walnuts.

Pour in greased, floured 9 x 5 x 3 inch loaf pan. Bake at 300 degrees for 65-75 minutes or tests done. Cool in pan 10 minutes. Invert onto wire rack and cool completely. Frost with cocoa fudge frosting.

1/4 c. butter, melted
1/4 c. cocoa
1 1/2 c. powdered sugar
3 tbsp. milk
1/2 tsp. vanilla

Beat until smooth and creamy.