Step 1

Preheat oven to 350°F (175°C). Grease and flour a 9×13-inch baking pan.

Step 2

In a large bowl, mix together cake mix, melted butter, and 2 eggs until combined. Fold in nuts if using.

Step 3

Spread batter evenly into the pan.

Step 4

In another bowl, beat cream cheese, powdered sugar, and 1 egg until smooth. Pour over cake batter.

Step 5

Bake for 45 minutes until golden brown. Let cool completely before slicing.