cherry streusel coffee cake

adapted from martha stewart



1/2 c butter
2 c flour
1 t baking soda
1 t baking powder
1 1/4 t salt
1 c sugar
2 large eggs
2 t vanilla
1 c sour cream
2 c sour cherries

for streusel:
2 c flour
3/4 c brown sugar
2 1/4 t cinnamon
1 t salt
1 stick butter

cream butter, sugar, eggs, and vanilla until light and fluffy. alternate the addition of dry ingredients with the sour cream. spoon about half the batter into a tube pan, layer cherries on top, top with remaining batter, making sure to smooth it. sprinkle with streusel. bake until cake springs back and no longer jiggles, about 35-40 minutes.