1 stick butter
1 c. sugar
2 eggs
1 c. cultured sour cream
2 c. flour
1 tsp. baking powder
1/4 tsp. salt
1 tsp. baking soda
1 tsp. vanilla

TOPPING:

1/4 c. sugar
1 tsp. cinnamon

Mix together.

Cream butter and sugar. Beat in eggs one at a time. Mix in sour cream and vanilla. Add dry ingredients and mix until batter is smooth. Grease a 9x5 bread pan. Put half of dough in pan and sprinkle 1/2 of topping mixture over dough. Add rest of dough and cover with remaining topping. Bake at 350 degrees for 45 minutes.