Light and airy coffee cake made with sour cream. Loaded with cinnamon and chopped walnuts. Topped with a crunchy cinnamon walnut streusel and a drizzle of maple glaze.
Preheat the oven to 350ºF. Grease a 9" round baking pan with nonstick cooking spray, set aside.
In a medium bowl, mix together the brown sugar, granulated sugar, flour, cinnamon, butter, and walnuts for the streusel topping, you want pea sized chunks of butter when done. Set aside.
1/2 cup Brown sugar, 1/2 cup Granulated sugar, 3/4 cup All-purpose flour, 1 tsp Ground cinnamon, 1/4 cup Chopped walnuts , 1/2 cup Unsalted Butter
In a large bowl, mix together sugar and melted butter until well combined. Mix in the milk, sour cream, vanilla extract, and eggs until blended.
1 cup Granulated sugar, 1/2 cup Unsalted butter, 1 cup Whole milk, 2 Whole eggs, 1 cup Sour Cream, 1 tbsp Vanilla extract
To the wet ingredients add in the flour, baking powder, baking soda, salt, and cinnamon. Mix until combined, the batter may have a few small lumps. Fold in the chopped walnuts.
Spread the batter into the greased pan and sprinkle the streusel topping evenly over the top of the cake. Bake for 50-55 minutes, until a toothpick inserted in the center comes out clean. Allow to cool slightly.
For the glaze, combine powdered sugar, heavy cream, and maple syrup in a mixing bowl. Whisk to combine and drizzle over the coffee cake before slicing, the glaze is optional. Slice the cake and enjoy!
1/2 cup Powdered sugar, 2 tbsp Heavy cream , 1 tbsp Pure maple syrup
Notes
*Cake can be baked in 9"x13" pan as well, reduce baking time to 45-50 minutes.