Oreo Cookie Cake recipe, vegan WRITTEN RECIPE BELOW: BUTTERCREAM FROSTING LINK: ALL RECIPES LINK: RECIPE: OREO COOKIE CAKE Preheat oven to 350 Fahrenheit (176 C) You will need 14 Oreo cookies Crumble 4 Oreo cookies. Cut 8 Oreo cookies in half. IN A BOWL MIX: 2 cups flour 1 1/2 cups flour 1 teaspoon baking soda 1/2 teaspoon baking powder ADD: 1 cup