Tunnel of Cherry Cake

I used to make this a lot and lost the recipe, finally found it again on another web site. Good cake and pretty presentation.

• Ready In: 50 mins
• Yields: 1 bundt cake

Ingredients

• 1 (18 ounce) package  white cake mix
• 1⁄2 cup sour cream, i use low fat
• 1⁄3 cup  vegetable oil, i use canola
• 1⁄2 cup water
• 3  egg whites
• 1 (21 ounce) can cherry pie filling, divided
• 1⁄2 cup  chopped  nuts (optional)

Directions

1. Preheat oven to 350 degrees Fahrenheit.
2. Grease and flour a Bundt pan.
3. I use Bakers Joy.
4. In a large bowl combine all ingredients, except nuts and cherry filling at low speed until all ingredients are moistened.
5. Beat 2 minutes at high speed.
6. Spoon 2/3 batter into pan.
7. Spoon 1 cup of cherry pie filling evenly in narrow ring over batter.
8. Don't let cherries touch side of pan.
9. Cover with remaining cake batter.
10. Bake at 350 degrees 36-40 minutes until top is golden brown.
11. Cool upright in pan for 1/2 hour.
12. Invert onto cake plate.
13. Sprinkle with confectioner sugar and serve with remaining cherry pie filling.