Banana Nut Roll
["1 (8 oz.) cream cheese, softened", "1 (3 oz.) cream cheese, softened", "1/2 c. sugar", "1 egg", "3 Tbsp. milk", "1/2 c. flour", "1/2 tsp. baking powder", "1/4 tsp. soda", "4 egg yolks", "1/2 tsp. vanilla", "1/3 c. sugar", "1 large banana, mashed", "1/2 c. finely chopped nuts", "4 egg whites", "1/2 c. sugar", "1 recipe Cream Cheese Frosting"]
["Lightly grease 15 x 10 x 1-inch baking pan. Line bottom with waxed paper; set aside."]
["cream cheese", "cream cheese", "sugar", "egg", "milk", "flour", "baking powder", "soda", "egg yolks", "vanilla", "sugar", "banana", "nuts", "egg whites", "sugar", "Cream Cheese"]