Turn a Box of Cake Mix Into Ooey Gooey Butter Cake

Gather the ingredients. The Spruce / Julia Hartbeck Preheat oven to 350 F. Lightly grease 9x13 baking pan. The Spruce / Julia Hartbeck Combine cake mix and butter with pastry blender until crumbly. The Spruce / Julia Hartbeck Stir in 2 eggs. The Spruce / Julia Hartbeck Press mixture into prepared pan. The Spruce / Julia Hartbeck With an electric mixer, beat cream cheese in a medium bowl until fluffy, about 1 minute. The Spruce / Julia Hartbeck Add the two remaining eggs, and gradually add powdered sugar and vanilla. Beat until combined. The Spruce / Julia Hartbeck Fold in chopped nuts. The Spruce / Julia Hartbeck Spread batter on unbaked crust. Bake for 35 to 40 minutes. The Spruce / Julia Hartbeck Cool completely in pan set on a wire rack. The Spruce / Julia Hartbeck Cut into small pieces and dust with powdered sugar, if desired. The Spruce / Julia Hartbeck