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Copycat Cookies: Crumbl Birthday Cake Cookie Recipe made with a Cake Mix

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This cookie might be called a Birthday Cake Cookie but let me tell you something…it is perfect for any day of the year! I am a firm believer that every day is worth celebrating with cookies and this Crumbl Copycat Birthday Cookie was made for that. The best part is that the cookie starts with a cake mix, so you can whip them up in no time. Who doesn’t love a cookie loaded with sprinkles, topped with cream cheese frosting and is simple to bake?

Birthday Cookies on a wire rack with sprinkles.

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Although there are so many reasons to love this Crumbl Birthday Cake Cookie but here are reasons why you NEED to make this recipe today!

  • The cookies start with a cake mix! That means there is no need to have a ton of ingredients on hand. Using a cake mix as the base for the cookie is the perfect place to start.
  • Sprinkles, sprinkles, sprinkles! It is a perfect way to customize the cookies by changing up the sprinkles you use.
  • Cake batter frosting. By adding a bit of the cake mix to the frosting you get that amazing flavor in your smooth and delicious frosting too.
  • They are giant cookies! Add a lighted candle and you have a personal birthday cookie cake.

Ingredients Needed for your Crumbl Birthday Cake Cookies:

  • Vanilla Cake Mix-The perfect ingredient to use in forming the base of this soft and amazing Crumbl Copycat Cookie.
  • All Purpose Flour-Added to the cake mix to help give the cookies more stability.
  • Butter-Melted and added to the cookie dough for the perfect addition of fat.
  • Sour Cream-Adding a bit of sour cream to the dough helps balance the sweetness.
  • Sprinkles-Use rainbow sprinkles or change them up to whatever you love.

Cream Cheese Frosting:

  • Cream Cheese-Added to the frosting for a bit of tang.
  • Butter-The perfect way to add fat and get a creamy smooth texture with great flavor.
  • Cake Mix-Adding a bit of cake mix to the frosting takes it from a basic cream cheese frosting to a cake batter cream cheese frosting.
  • Powdered Sugar-This ingredient has the texture needed to add sweetness to the frosting without any unwanted grit in the texture.
  • Milk-Used to thin out the frosting to a piping consistency.

How to make Copycat Crumbl Birthday Cookies with a Cake Mix

1. Combine cake mix, flour, eggs, melted butter, sour cream in a large bowl. Mix using a hand held {or stand} mixer until you have a thick dough.

2. Add the sprinkles and mix in by hand until they are evenly distributed.

Steps 1 and 2 of making birthday cake cookies. 1, make dough. 2, add sprinkles to dough.

3. Using a 1/4 cup, measure out 11-12 cookies. Use your hands to press the cookie dough into a disc that is a thick round circle. Bake 6 cookies at a time. Place the cookie on a silicone mat {or parchment} lined baking sheet for 10-12 minutes or until set.

4. Remove cookies from the oven and allow them to cool completely on the baking sheet.

Steps 3 and 4 of making cake mix birthday cookies. 3, form cookie dough. 4, bake cookies.

5. For the frosting, combine the softened cream cheese and butter in a large bowl with a hand held mixer until creamy and smooth. Add cake mix and powdered sugar and continue to mix until you have a pipeable consistency. Add enough milk to get the consistency you want.

6. Put the frosting in a piping bag {or zipper bag} and cut a large triangle from the bottom. Pipe a circular motion starting on the outside and working your way to the middle. Sprinkle the top of each cookie with a few additional sprinkles. Store in an airtight container in the refrigerator for up to 4 days or freeze for up to 3 months.

Steps 5 and 6 of making birthday cake cookies. 5, make frosting. 6, frost cookies.
  • Whisk together the cake mix and flour before adding the dry ingredients. This will help combine the ingredients and remove any lumps in the cake mix.
  • Mix the sprinkles in by hand. Using a mixer will break up the sprinkles into super small pieces.
  • Form the cookie dough mounds into large discs. This will ensure that they are large and thick cookies.
  • Don’t over bake the cookies. Using a cake mix can create hard cookies if over baked.
  • Allow the cookies to cool on the baking sheet. The residual heat from the baking sheet will continue baking the cookies slightly and set them up perfectly.
  • Use room temperature ingredients for the frosting. The cream cheese and butter will mix together well at room temperature and create a nice and smooth frosting.

The Crumbl Cookie flavors are unending. Crumbl changes the flavors change weekly and they are constantly adding new and delicious combinations. Currently there are over 100 different indulgent flavors.

From the hundreds of flavors there are a few that are more popular than others. Raspberry Cheesecake, Red Velvet and White Chocolate Chip, Cookies and Cream and Chilled Sugar Cookie.

Can I make Crumbl Birthday Cake Cookies ahead?

Yes, you can make Crumbl Copycat Birthday Cookies ahead of time. They will keep well in the refrigerator for up to 4 days and freeze well for up to 3 months.

The cookies can be frozen with or without frosting. Just know that sometimes sprinkles will bleed into the frosting as they thaw out.

How to Store your Crumbl Cookies

The best way to store your Crumbl Copycat Cookies is in the refrigerator. The cookies will keep well for 4-5 days this way. On the other hand, if the cookies are kept at room temperature they will only last for a couple of days.

Are these Crumbl Cookies a good Substitute for Traditional Birthday Cake?

Absolutely! These cookies are the perfect substitute for traditional birthday cake. In fact, if you are a cookie lover {like myself}, this Crumbl Birthday Cake Cookie couldn’t be a better idea.

The size of the cookies lends well to individual desserts. Add a birthday candle, light it and sing for the ultimate birthday dessert.

Can Cake Batter Flavoring be used instead of dry Cake Mix in the Frosting?

Yes! Cake batter flavoring can be used in place of dry cake mix. Adding cake mix is a convenient way to get the flavor because you already have the ingredient.

Looking down on a dozen birthday cake cookies.

Do you love cookies that start with a cake mix? Try these awesome recipes!!

Crumbl Birthday Cake Cookie Recipe made with a Cake Mix

Celebrate your birthday with a Copycat Crumbl Birthday Cake Cookie instead of a traditional cake for the ultimate birthday dessert!
Course: Dessert
Cuisine: American
Prep Time: 10 minutes
Cook Time: 25 minutes
Total Time: 35 minutes
Servings: 12 cookies
Calories: 590kcal
5 from 29 votes
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Ingredients

Confetti Cookie

  • 1 box vanilla cake mix {15.25 ounces}
  • cup all purpose flour
  • 2 eggs
  • cup butter {melted}
  • 2 Tablespoons sour cream
  • ¼ cup sprinkles {plus more for the top of the cookies}

Cream Cheese Frosting

  • 8 ounces cream cheese {softened}
  • ¼ cup butter {softened}
  • 1 cup vanilla cake mix
  • 4 cups powdered sugar
  • 2-3 Tablespoons milk {to thin}

Instructions

  • Preheat oven to 350°.

Confetti Cookie

  • Combine cake mix, flour, eggs, melted butter, sour cream in a large bowl. Mix using a hand held {or stand} mixer until you have a thick dough. Add the sprinkles and mix in by hand until they are evenly distributed.
  • Using a 1/4 cup, measure out 11-12 cookies. Use your hands to press the cookie dough into a disc that is a thick round circle. Bake 6 cookies at a time. Place the cookie on a silicone mat {or parchment} lined baking sheet for 10-12 minutes or until set.
  • Remove cookies from the oven and allow them to cool completely on the baking sheet.

Cream Cheese Frosting

  • For the frosting, combine the softened cream cheese and butter in a large bowl with a hand held mixer until creamy and smooth. Add cake mix and powdered sugar and continue to mix until you have a pipeable consistency. Add enough milk to get the consistency you want.

Assembly

  • Add the frosting to a piping bag {or zipper bag} and cut a large triangle from the bottom. Pipe a circular motion starting on the outside and working your way to the middle. Sprinkle the top of each cookie with a few additional sprinkles. Store in an airtight container in the refrigerator for up to 4 days or freeze for up to 3 months.

Nutrition

Serving: 1cookie | Calories: 590kcal | Carbohydrates: 101g | Protein: 6g | Fat: 19g | Saturated Fat: 11g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 5g | Trans Fat: 1g | Cholesterol: 72mg | Sodium: 578mg | Potassium: 91mg | Fiber: 1g | Sugar: 70g | Vitamin A: 586IU | Vitamin C: 1mg | Calcium: 169mg | Iron: 2mg
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