Gooey Butter Cake

Why I Love This Recipe
This was a favorite at the grocery store bakeries in St. Louis during the 1960s. I heard the recipe was the result of a mistake. It is a very rich, delectible coffee cake.
Ingredients You'll Need
1 box yellow cake mix (not the pudding kind)
4 eggs, divided
1 stick butter or margarine, melted
8 oz. cream cheese
1 lb. powdered sugar
Directions
Preheat oven to 350.
Mix first three ingredients well.
Spread in bottom of well-greased 9 x 13 pan.
Mix cream cheese and 2 eggs with electric beater, slowly adding powdered sugar.
Pour onto bottom layer and bake at 350 for 30-35 minutes.
Sprinkle with additional powered sugar while still warm.