The Plagued Parent

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Brownie Cookie Dough Cake

Turning 16 deserves a special cake!

Actually, it garnered two cakes! Ice cream cake is a birthday must have in our house for the kids’ birthdays, but we were getting together with friends to celebrate and needed a more portable cake. So Alexandra got two cakes!

Brownie Cookie Dough Cake

For the Brownie:
  • 1 1/2 cup vegetable oil
  • 3 cups sugar
  • 3 tsp vanilla extract
  • 6 eggs
  • 1 1/2 cup flour
  • 1 cup cocoa powder
  • 3/4 tsp baking powder
  • dash of salt
For the Cookie Dough:
  • 1 cup brown sugar packed
  • ¼ cup granulated sugar
  • 1 cup unsalted butter, softened to room temperature
  • 2½ teaspoons vanilla extract
  • 1 teaspoon salt
  • 2 cups all purpose flour
  • 3 tablespoons milk, plus more if needed
  • 1 cup miniature chocolate chips
For the chocolate ganache:
  • 1 bag (10 oz) Dark Chocolate Chips (I used Nestle)
  • 1 cup heavy whipping cream
For the Cream filling/frosting:
  • 1½ cups heavy whipping cream
  • 8 oz. Cream Cheese-softened
  • ¾ cup powdered sugar
For garnish:
  • 1/2 cup of mini chocolate chips
  • mini chocolate chip cookies



For the Brownie cake:
  1. Preheat oven to 350 degrees
  2. Grease (3)  8″ cake pans, sides and bottom then line bottom only with parchment paper.
  3. Whisk together flour, cocoa, baking powder and salt in a medium bowl.
  4. In a large bowl mix together the oil, sugar and vanilla extract.
  5. Add eggs and mix until well combined.
  6. Slowly add the flour mixture to the egg mixture until well combined.
  7. Pour the batter evenly into the three pans and spread evenly.
  8. Bake for 25-30 minutes, or until a toothpick comes out with a few crumbs.
  9. Remove brownies from oven and allow to cool for about 10 minutes in the pan, then remove to cool on wire rack.
  10. While brownies bake, make cookie dough.
For the Cookie Dough:
  1. In a large bowl using a hand mixer, cream together the brown sugar, granulated sugar, and butter. Beat until fluffy and light in color, about 1 minute. Beat in the vanilla and salt until combined.
  2. Slowly beat in flour until just combined. Add milk one tablespoon at at time and beat until dough starts to come together. Stir in the miniature chocolate chips with rubber spatula.
  3. Place into (2) 8″ cake pans greased and lined with parchment paper, leave an overhang for easy removal.
  4. Refrigerate.


For the Chocolate Ganache:
  1. Place chocolate chips in a bowl that has a cover.
  2. Bring heavy cream to a simmer on the stove top, stirring occasionally. Just asoon as you see a simmer(a simmer is when little bubbles appear on the edges) remove from heat and poor over chocolate chips, swirling the bowl to make sure all chips are covered.
  3. Place lid on chocolate chips to trap the heat and let sit undisturbed (no mixing) for 5 minutes.
  4. Remove lid and swirl the chocolate chips with a whisk starting in the center and working outward until smooth. It will turn into velvet ganache right before your eyes and you’ll get excited.
  5. Once it’s velvety, let it sit uncovered at room temperature (70˚F) for about 15 minutes before pouring it over your cake(it should coat a spoon nicely when ready for cake coverage – set your timer!).
  6. Spoon and smooth over the cookie dough, almost to the edge (still in pans).
  7. Refrigerate until ready to assemble.
For the Cream Filling/Frosting:
  1. In a large mixing bowl mix heavy whipping cream just until firm peaks form(if you beat too long it will become overdone and look like butter).
  2. In another mixing bowl beat cream cheese and sugar until it’s smooth.
  3. Fold cream cheese mixture into whipped cream.
  4. Place in refrigerator until ready to use.


To assemble the cake:
  1. Place one of the brownie layers on a cake plate.
  2. Remove a cookie dough/ganache layer and place on top.
  3. Pipe or spread a layer of filling.
  4. Place second brownie layer.
  5. Place the other cookie dough/ganache layer.
  6. Top with more filling.
  7. Put the last brownie layer.
  8. Pipe decorative filling/frosting on top.
  9. Top with mini chocolate chip cookies, and sprinkle with mini chocolate chips.



While this may appear to be a lot of steps, it really isn’t. If you have (5) 8″ cake pans it will cut your time down by a ton!

I baked it all one day. I put the brownie layers in a plastic container with a cover separated by parchment paper, and kept the cookie dough/ganache layers in the refrigerator.

The next day I made the filling and assembled the cake.

However, I did think the cake tasted best on the second day fully assembled, though the family noticed no difference 🙂

Updated: May 29, 2017 — 10:13 am


  1. Wowza!! You are quite the amazing baker!! I usually just go to the store–ha ha!

    1. Nothing wrong with store bought cake, still delicious!

  2. I love how you say…if you have five pans. Because. Sure. I have five pans. In any case for a non birthday I could do two layers and still love it. This looks incredible.

    1. Very true Anna, two layers work just fine 🙂

  3. OMG! This looks FABULOUS! We have a 16th birthday coming up in our house too! And, if I serve it with my super easy Ice Cream Sandwich Cake, then I’ve met your family needs of ice cream cake and other cake! Can’t wait to try this! Although … one bite is probably my full allotment of points for the day. Oh well, my daughter only turns 16 once!

  4. Why do you want to hurt me this way? 😉

  5. I’m coming to visit you for my next birthday!

    1. Please do! We can go for a run together first, then eat cake!

  6. That cake looks totally delicious! Will be passing your recipe onto my mother in law whose cakes turn out better than mine!

    1. Thank you Linda, let me know if she gives it a go.

  7. My soon to be 16 year old son would flip if I made this for him! It really isn’t that hard to make?

    1. No not hard at all Monica. Having the 5 pans will help because as the brownie bakes you can make the cookie dough and ganache. The filling only takes about 5 minutes, so easey peasey!

  8. Wow! It’s a masterpiece!

    1. Thank you Somber! How have you been??

  9. This is your best one yet! That’s amazing!

  10. Oh my god. Oh my god. Oh my god. Is it wrong to worship cakes? This looks amazing!

    1. Cakes definitely deserve worship!

  11. Right? Gah. It took forever to teach my husband that birthday equals cake. And it really looks like you’re doing it RIGHT.

  12. You are such a great mom! I bought cupcakes today for my kids birthday and I was proud. LOL!

    1. That totally works too Stacey!

  13. Why yes I would love to have this at my wedding, thanks for asking!

  14. A lot of work, you are a good mom! I would have appreciated all that work!Congratulations on having an almost grown young lady!

    1. Noooo not almost grown, please no! LOL, thank you!

  15. This looks absolutely amazing!! Happy birthday to the lucky girl 😊

  16. I’ve been looking for a brownie cookie cake recipe for weeks!!! You have saved me!!!!

    1. Oh good! Let me know if you like it!

  17. Oh my gosh this sounds like diabetes in a cake and 100% worth it! I’m dreaming about this cake now x

    1. Haha! Good health is overrated anyway! 😉

  18. Wow, that’s phenomenal. I’m desperate to try a slice now. Would be a perfect fit for We Should Cocoa – linky closes at midnight tonight though.

    1. Oh no! Is that linky a dessert theme that you run weekly?

  19. Oh dear. Fitness blogger or not, I feel like I need to make this for Christmas because if you can’t eat a cake like this on Jesus’ birthday, what good is it?

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