Marbled Bundt Cake

Directions

1. 1
   Set oven to 325 degrees.
2. 2
   Grease and flour a 12-cup bundt cake pan.
3. 3
   In a bowl beat butter with 2 cups plus 2 tbsps sugar together until fluffy (about 3 minutes).
4. 4
   Add in eggs and vanilla; beat until well combined (about 4 minutes).
5. 5
   Add in the sour cream; mix until combined.
6. 6
   In a bowl mix together flour, baking powder, baking soda and salt; add the creamed mixture; mix until just combined.
7. 7
   Remove 2 cups of the batter; stir in the melted bittersweet chocolate.
8. 8
   Add/stir in the dark chocolate chips into the white cake batter.
9. 9
   Add/stir the white chocolate chips into the dark batter.
10. 10
    Using heaping tablespoonfuls alternately dollup the different cake batters into the prepared bundt pan.
11. 11
    Run a knife through the cake only once, swirling the batter a little.
12. 12
    Bake for about 50-60 minutes, or until the cake tests done.
13. 13
    Cool cake in pan for about 15-20 minutes before removing to a rack.