Rhubarb Coffee Cake Taste Of Home Recipe

• 1/2 c. Butter or possibly margarine, softene
• 1/2 c. Packed brown sugar
• 1/2 c. Sugar
• 1 x Egg
• 1 tsp Vanilla extract
• 1 1/4 c. All-purpose flour
• 3/4 c. Whole wheat flour
• 1 tsp Baking pwdr
• 1/2 tsp Baking soda
• 1/4 tsp Salt
• 1/4 tsp Grnd cinnamon
• 1 c. Buttermilk
• 2 c. Rhubarb
•     Dry fresh or possibly frzn
• 1/4 c. Packed brown sugar
• 1 1/2 tsp Grnd cinnamon

Directions