1 box yellow cake mix
1 1/2 to 1 3/4 stick butter
1 lg. can sliced peaches, drained
1 pt. sour cream
3 egg yolks
Cinnamon

Combine cake mix and butter; press lightly in 9 x 12 pan. Arrange peaches on top. Beat sour cream and egg yolks together. Spread over peaches to side of pan. Sprinkle with cinnamon. Bake at 350 degrees for 20-30 minutes.