Chocolate Chip Cookie Cake

olivesnthyme.com 

Chocolate chip cookie cake is a rich and buttery, soft and chewy chocolate chip cookie made in a cake pan. Top this giant cookie with a sweet and creamy chocolate frosting

olivesnthyme.com 

Preheat the oven to 350 F (177 C). Grease and line the bottom of a 9- inch (23 cm) springform or 11 inch cake pan with parchment paper.

Step 1:  

In a mixing bowl whisk together the flour, baking soda, baking powder, cornstarch and salt together until well combined.

Step 2:  

Slice the stick of butter into tablespoon sized pieces. Place them in a microwave safe bowl. Heat the butter for 45 seconds or until most of the butter is melted with some whole pieces floating in the melted butter.

Step 3:  

In a large mixing bowl, whisk the mostly melted butter with sugar and light brown sugar until well combined. Whisk in the egg, egg yolk and vanilla extract until smooth and well combined. Stir the dry ingredients into the wet until just about 90% combined. Gently fold in 1 cup (170 g) chocolate chips until well combined.

Step 4:  

Press the cookie dough into the prepared cookie cake pan or springform pan. Bake the chocolate chip cookie cake for about 12 - 15 minutes if using an 11 inch pan or 18 - 22 minutes if using a 9 inch springform pan. Cool to room temperature.

Step 5:  

Cream the butter on low to spread the butter across the bottom of the mixing bowl. Add the cocoa powder, powdered sugar, vanilla extract and 1 tablespoon of milk to the mixing bowl. Mix the chocolate buttercream on low to combine all the ingredients  until smooth.

Step 6:  

When it’s time to serve, transfer the cookie cake to a serving plate or even a low cake stand. Pipe the frosting around the edges of the cookie. Top with sprinkles, slice and enjoy.

Step 7:  

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