1 (18.25 oz.) box yellow cake mix
1/2 cup (1 stick) butter, melted
2 teaspoons vanilla
1 (8 oz) package cream cheese
4 c. powdered sugar
Preheat oven to 350 degrees F. Mix cake mix, melted butter, 1 of the 2 teaspoons of vanilla, and 2 of the 4 eggs in bowl with spoon. Spread into bottom of 9x13 baking pan. Mix cream cheese, 1 teaspoon of vanilla and other two eggs in separate bowl with electric mixer. Slowly mix in powdered sugar (about 1/2 cup at a time). Pour mixture over cake. Bake 40-45 minutes. Cool.