Hazelnut Cinnamon Coffee Cake

Directions

1. 1
   Position the oven racks so that they are evenly spaced and one rack is in the center.
2. 2
   Preheat the oven to convection bake at 325F.
3. 3
   Spread the nuts on a cookie sheet and toast in the oven for 5 to 8 minutes as the oven preheats.
4. 4
   Cool and chop.
5. 5
   Coat a 10-inch tube pan with nonstick spray and dust with flour.
6. 6
   With an electric mixer, cream the butter and granulated sugar together in a large bowl.
7. 7
   Add the eggs and beat until light and fluffy.
8. 8
   Add the sour cream and vanilla and beat until blended.
9. 9
   Mix the flour, baking powder, and baking soda together and add to the egg mixture, beating at low speed until smooth.
10. 10
    In a small bowl, stir the chopped nuts, cinnamon, and brown sugar together.
11. 11
    Spoon half the batter into the prepared pan.
12. 12
    Sprinkle with half the nut mixture.
13. 13
    Top with the remaining batter, then with the remaining nut mixture.
14. 14
    The top layer of nut mixture will sink into the cake as it bakes.
15. 15
    Bake in the center of the oven for 55 to 60 minutes or until a wooden skewer inserted into the center comes out clean and dry.
16. 16
    Cool in the pan for 5 minutes.
17. 17
    Remove from the pan and place on a serving plate.