Step 1

Preheat your oven to 350 degrees and grease a 9 inch cake pan. Set aside.

Step 2

In a small bowl, prepare your flax egg by whisking together 1 tablespoon of ground flaxseed with 3 tablespoons of warm water. Set the mixture aside to thicken.

Step 3

In a mixing bowl, cream together the vegan butter and sugar. Then add in the thickened flax egg and vanilla and mix until combined.

Step 4

Add the remaining dry ingredients and stir until combined. Fold in the chocolate chips.

Step 5

Pour the dough into your prepare cake pan and press it down until it's a uniform layer.

Step 6

Bake the cookie cake for 22-25 minutes or until slightly golden.

Step 7

Allow the cookie cake to cool while you prepare the frosting.

Step 8

To make the frosting, simply use a food processor with the dough attachment or a hand mixer to beat all the ingredients together until smooth. Only add non-dairy milk--a teaspoon at a time--as needed.

Step 9

Once the cake has cooled, frost the cookie however you desire. Top with some chocolate shavings or sprinkles and enjoy!