Class of 1978

1/2 cup butter 3/4 cup sugar 1 egg 1/2 cup sour cream 1/2 tsp vanilla extract 1 cup flour 1/2 tsp baking powder 1/2 tsp baking soda 1/4 tsp salt FILLING: 2 Tbsp brown sugar 1/2 cup chopped nuts 1/2 tsp cinnamon Cream butter and sugar until very light and fluffy (high speed on mixer)….