Choco Marshmallow Cookies Cuisine: American Prep time: 15 mins Cook time: 9 mins Total time: 24 mins Serves: 4 Ingredients 1 cup sugar 1 egg 1/2 cup shortening 1 teaspoon vanilla 1/4 cup milk 1 3/4 cups flour 1/2 teaspoon baking soda 1/2 cup cocoa 18 marshmallows, cut in half Instructions Cream sugar and shortening.