Beat (with electric mixer) butter and sugar. Add 2 eggs, beat one at a time.
Add vanilla, beat until fluffy.
Put in flour, baking soda, and baking powder.
Add butter mixture alternately with 1/2 pt sour cream.
In a separte bowl, mix 1/2 cup chopped nuts 1/2 cup sugar and tsp. cinamon.
Pour half of batter into greased tube pan. Add 1/2 sugar and nuts over batter. Add rest of batter and sprinkle to with remain
Bake at 360F for 50 min or 350 F 1 hour.