Blueberry Breakfast Cake

Preheat oven to 375.
Butter 7 x 11 pan.

Mix:

1 1/2 flour
2t. Baking powder
1/4t. Baking soda
pinch salt
pinch cinnamon

Beat together:
1/2 c. butter
1/2 c. sugar
1/2 c. brown sugar
2 eggs
1/2 c. buttermilk

mix in flour just to blend,
Gently fold in 1 pint blueberries.

Bake for 45 minutes.