Jack Scalfani recreates a classic Starbucks pastry. Be sure to subscribe to this channel and Jacks new channel "Jack on the Go" youtube.com The following is the ingredients to the Starbucks Classic Coffee Cake. To see how to put it all together, please visit the video on my YouTube Channel. TOPPING 1 cup all purpose flour 1 cup packed light brown sugar 1 14 teaspoon ground cinnamon 12 (1 stick) of butter, softened CENTER Cinnamon Sugar 13 cup light brown sugar 34 teaspoon ground cinnamon CAKE 34 cup butter, softened 13 cup packed light brown sugar 12 cup granulated sugar 2 eggs 1 tablespoon vegetable oil 1 12 teaspoon vanilla extract 2 cups all purpose flour 1 teaspoon baking soda 14 teaspoon baking powder 13 cup buttermilk 13 cup whole milk