Take yellow cake mix, 1 stick of melted butter, and 1 egg. Mix together and press in 13x9 pan.
Then take 1 stick of melted butter, cream cheese, two eggs, vanilla and powdered sugar. Mix well and put on crust. sprinkle on toffee bits. Bake for 30 to 45 minutes. Do Not Over Cook.Stick in tooth pick and if it comes out clean its done.