Chocolate Chip Cookie Cake with Chocolate Buttercream Icing (aka The Best Birthday Cake Ever)

What is your go to treat to bake for loved ones on their birthdays?  This one is my FAVORITE!  Who doesn’t love a monster chocolate chip cookie cake with buttercream icing and sprinkles?  It’s super easy to make and will impress everyone.

(THIS IS NOT GLUTEN FREE / KETOGENIC)

Ingredients (Cake):

  • 3/4C unsalted butter
  • 3/4C brown sugar
  • 1/2C sugar
  • 1 TBSP vanilla extract
  • pinch of salt
  • 1 egg
  • 1 egg yolk
  • 1 3/4C flour
  • 1/2 tsp baking soda
  • 1/2 bag of milk chocolate chips (plus a few more for the top)

Steps (Cake):

  1. Preheat over to 375 deg
  2. Heat 10-12″ cast iron skiller over medium heat.  Melt the butter.  Continue to stir until it starts to brown and is bubbling (about 5 minutes).  Pour in large mixing bowl.
  3. Add brown sugar, sugar, vanilla, and salt to butter mixture. Mix using stand mixer for about 2 minutes until smooth.
  4. Meanwhile, combine flour and baking soda in a separate bowl.
  5. Add flour to butter sugar mixture.  Mix until combined (about 1 minute).  Fold in chocolate chips.
  6. Using a paper towel, wipe any excess butter out of cast iron skillet.  Pour batter into skillet.   Using a spatula, press the batter to flatten and smooth.  Add a few extra chocolate chips and press them into the batter.
  7. Place in oven. Bake for 20 minutes.  DO NOT OVERCOOK.  The skillet remains hot.  It will continue cooking even after it leaves the oven.
  8. As soon as you pull out of the oven, sprinkle the cake with sea salt.
  9. Cool completely for about 1 hour (in skillet).

Ingredients (Chocolate Buttercream):

  • 1C unsalted butter (softened)
  • 2C powdered sugar
  • 3/4C unsweetened cocoa powder
  • 3TBSP heavy cream
  • dash of salt
  • 2 tsb vanilla extract
  • sprinkles!!

Steps (Chocolate Buttercream):

  1. In stand mixer, cream the butter. It is done when it is shiny and creamy.
  2. Add the rest of the ingredients.  Mix until smooth.
  3. Add to a ziplock bag or a piping bag.
  4. Put in refrigerator until ready to use. Make sure the cake is 100% cooled. Pipe / decorate as you wish!
  5. Top with lots of sprinkles 🙂

ENJOY!!

Monica

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