- Heat oven to 350°F. Butter 13x9-inch pan. 
- In large bowl, combine cake mix, butter and 1 egg; mix until well combined. 
- Press in bottom of buttered pan. 
- In small bowl, combine cream cheese, powdered sugar, vanilla and eggs; mix until smooth and creamy. Pour over crust. 
- Bake at 350°F. for 30 to 35 minutes or until lightly browned. 
- Serve warm or cool. Cut into squares; top with cherry pie filling.