Pecan Upside-Down Cake

1/2 cup butter, melted
1/2 cup packed brown sugar
1/2 cup dark corn syrup
2 cups pecan halves
1 package butter pecan cake mix*
1 cup low fat sour cream
1/3 cup unsweetened applesauce
2 eggs
2 egg whites
1 tsp vanilla

1. Preheat oven to 350. Spray a 9x13 pan with cooking spray. In a small bowl, combine butter, brown sugar, corn syrup and pecans. Spread evenly into the pan.

2. In a large bowl, combine remaining ingredients. Beat on low speed for 30 seconds, then medium speed for 2 minutes. Transfer to pan.

3. Bake for 30-35 minutes. Cool for 5 minutes before inverting onto a serving platter. Serve warm or at room temperature.

*yellow cake mix also works