Grease a 9x9" pan and set aside.

Mix together cake mix, 1 egg, and butter until it forms a uniform crumbly mixture.

Set aside 1 cup of this mixture to use as a topping later.

Press the remaining crumb mixture into prepared pan.

Bake for 12 minutes.

Spread peaches on top of the baked crust

Cream together cream cheese, remaining egg, sugar, and vanilla until creamy.

Spread cream cheese mixture over peaches.

Sprinkle the cup of crumbs set aside earlier over the top.

Bake for 30-34 minutes or until edges of top begin to lightly brown.