Christmas Ooey Gooey Bars
1 box yellow cake mix (about 15.25 oz/432g)1/2 cup (1 stick) unsalted butter, melted1 large eggFor the Filling: 8 oz (225g) cream cheese, softened2 large eggs1 teaspoon vanilla extract1/2 cup unsalted butter, melted4 cups powdered sugar (about 1 lb/450g) For the Topping:1/3 cup red and green sprinkles1/2 cup white chocolate chips or mini marshmallows (optional) … Read more