Blueberry Coffee Cake w/ Cinnamon Oat Streusel
Box of vanilla cake mix 1 box of instant vanilla pudding 1 cup of sour cream 1 egg 1 tsp vanilla cup of melted butter 2 tsp of cinnamon sugar pint of blueberries 1 cup milk Streusel ⅓ cup oats cup brown sugar cup butter cut into pieces cup flour ⅛ tsp salt Glaze cup powdered sugar 1-2 tsp milk tsp vanilla