Cinnamon Breakfast Cake

¾ c. butter
1 c. sugar
2 eggs
1 c. sour cream
1 t. vanilla
2 c. flour
½ t. baking soda
1 t. baking powder
½ t. salt
¼ c. brown sugar
½ t. cinnamon
½ t. nutmeg

Cream together butter and sugar; add eggs and beat well. Add sour cream and vanilla. Mix flour, soda, baking powder and salt. Mix together brown sugar, cinnamon, and nutmeg. Sprinkle part of this mixture in buttered 9x13 pan. Spoon butter into pan, sprinkle with remaining sugar mixture. Use spoon to swirl topping with batter. Bake at 375 for 30 minutes.