Oreo Birthday Cake Cookies. Oreo chocolate creme chocolate sandwich cookies. In a large bowl, sift together flour, cake mix, salt and baking soda.
In a separate bowl, combine the flour and baking soda with a whisk then add it to the butter mixture. In a large bowl, sift together flour, cake mix, salt and baking soda. Add the egg and vanilla and mix on high until combined.
Using a hand mixer or a stand mixer, cream the softened butter and sugars together on medium speed until smooth.
20 oreos, crushed into pieces. Add the egg and continue mixing until dough comes together in a mass. In a separate bowl, combine the flour and baking soda with a whisk then add it to the butter mixture. Then add the chocolate chips,.