2023年10月25日 · Preheat oven to 350 degrees F (175 degrees C). Lightly grease a 9x13-inch baking dish. Beat butter, brown sugar, vanilla extract, and egg yolk in a large bowl; stir in flour and salt. Press dough into prepared baking dish. Bake in preheated oven until crust is light brown, 25 to 30 minutes. Immediately sprinkle chocolate chips over hot crust.