ABC Coffee Cake

I decided to rename this recipe. Originally I had it as "Aunt Jan's Coffee Cake", but in the recipe it credited the recipe to "Bunny".  Carlin Murray gave me the recipe so ABC it is.

1/4 lb. butter
1 cup sugar
2 eggs
1 teaspoon baking soda mixed with
1 cup sour cream
1 3/4 cups sifted flour
1 3/4 teaspoon baking powder
Topping:
In saucepan, melt 1 1/2 tablespoons butter, add 3/4 cup brown sugar, 1 tablespoon cinnamon and 3/4 cup chopped nuts.
Melt butter, add sugar, let cool and beat in 2 eggs. Then add sour cream (with the soda). Add flour with baking powder. Beat smooth. In a greased tube pan alternate batter and topping, half batter then half topping, half batter, half topping. Bake for 40 minutes at 350º Open oven door. Turn off heat and leave in oven for 1 hour to cool.

-Carlin Murray