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Funfetti Cake is a delicious, moist, light, and tender birthday cake that’s made with rainbow sprinkles. It’s the perfect birthday cake. I made this cake for my son’s first birthday party and it was a huge hit.
Funfetti Cake

For Krish’s first birthday, I had to bake him a cake that was made with love and made from scratch. Yes, my cake decorating skills are far from perfect, but my baking skills are on point if I say so myself. 🙂

I’ve been dreaming about baking my little baby boy his first birthday cake and I wanted to bake him a traditional birthday cake, and this funfetti cake was it.

Funfetti Cake

What is Funfetti Cake?

Funfetti Cake or Confetti Cake or Birthday Cake are essentially the same cake. This type of cake is typically made with rainbow sprinkles, and it’s light and tender.

You can opt for a yellow or white batter which is based on whether you use eggs or egg whites. For my recipe, I used one egg and two egg whites resulting in a more white cake. This is the best funfetti cake and super moist.

Can I make this recipe vegan, gluten-free?

For a vegan option – I don’t have any suggestions here.

For a gluten-free option, simply replace the all-purpose white flour with gluten-free white flour.

What kind of sprinkles should I use for Funfetti Cake?

Rainbow Sprinkles, aka Jimmies.

You can find rainbow sprinkles on Amazon, Target, or Michael’s. You can also find them at most grocery stores.

Funfetti Cake

Can I make the cake ahead of time?

Yes! I baked Krish’s birthday cake two days in advance. I covered it tightly with plastic wrap and refrigerated it. Two days later I frosted the cake and it was super good and tasted fresh.

Additionally, once frosted, the cake tasted even better the next day because the frosting seeped through.

Tips on making Funfetti Cake:

  • Make sure the butter is at room temperature.
  • Do not overmix the batter else it’ll become tough.
  • Do not overmix the sprinkles in the batter, simply fold them in or gently stir.
  • Let the cake completely cool before frosting.
Funfetti Cake

Ingredients you’ll need for Funfetti Cake:

All-purpose flour: You will need all basic white flour for this recipe. For a gluten-free option, you may use white gluten-free flour.

Butter: You’ll need butter for both the cake and frosting. Make sure the butter is at room temperature and unsalted.

Sugar: You will definitely need sugar for this recipe as it’s a birthday cake.

Powdered Sugar: An essential when making frosting is powdered sugar.

Egg & Egg Whites: You will need one room temperature egg and two egg whites for this recipe.

Oil: Any type of flavorless oil will work in this recipe – sunflower, avocado, grapeseed, canola, or vegetable. The oil will result in a moist cake.

Milk: You’ll need milk for both the cake and frosting. Both whole milk or 2% reduced-fat milk will work.

Vanilla Extract: For this recipe, you need to use good quality vanilla extract, not the imitation kind. For both the cake and the frosting, you will need a tablespoon of vanilla.

Rainbow Sprinkles: You will specifically need the rainbow sprinkles or jimmies for this recipe. You may also use pastel-colored rainbow sprinkles. Additionally, you will need rainbow sprinkles to decorate the cake on top.

Basics: Salt, Baking Powder.

Funfetti Cake is:

Colorful
Fun
Delicious
Moist
Melts-in-your-mouth
Perfect for a Kid’s Party
Ideal Birthday Cake

Funfetti Cake

How to make Funfetti Cake recipe step by step?

For the Cake

1. Preheat oven to 350 degrees. Grease two 8″ cake pans and dust with flour. This will prevent the cake from sticking.
2. Combine all the dry ingredients in a medium bowl – flour, baking powder, and salt. Mix and set aside.
3. In a large bowl, cream butter until light and fluffy.
4. Add sugar and cream for a few minutes until the mixture is creamy and smooth.

5. Add one egg at a time, vanilla extract, and 2 tbsp oil. Mix well until it’s all combined.
6. This is what you should have.
7. Add dry ingredients and milk in batches starting and ending with the dry ingredients. Mix, but do NOT over mix. Now begin by adding 1/3 of the dry ingredients.
8. Add 1/2 of the milk. Then add dry ingredients – milk – dry ingredients.
9. Result so far.

10. Add sprinkles. Mix the sprinkles in using a spatula. Do not over mix.
11. Batter is ready.
12. Split the batter evenly into 2 round baking trays. Into the oven for 25-30 minutes.
13. Cake is done. Let it completely cool before frosting.

For the Frosting

1. Add 2 sticks of room temperature butter to a large mixing bowl.
2. Using an electric mixer, cream until light and fluffy.
3. Add powdered sugar and mix well.
4. Add vanilla extract. Mix.
5. Now add milk. Mix. Frosting is ready.

Frost the cake – I did not frost the sides

1. Add a dollop of frosting to the cake stand.
2. Place one round cake on top – flat side up.
3. Top with half the frosting – so a very generous amount.
4. Place the second cake on top with the flat side facing up.
5. Top with a generous amount of frosting. Use a spoon to make some swirls.

6. Top with sprinkles and add some to the middle layer on the sides.
Funfetti Cake

Pin & Enjoy!

More Cake Recipes!

4.80 from 5 votes

Funfetti Cake

By: Nisha
Funfetti Cake is a delicious, moist, light, and tender birthday cake that's made with rainbow sprinkles. It's the perfect birthday cake.
Prep Time: 40 minutes
Cook Time: 25 minutes
Total Time: 1 hour 5 minutes
Servings: 16 slices

Ingredients 

for the cake

  • 1 3/4 cups flour
  • 1 1/2 tsp baking powder
  • 1/4 tsp salt
  • 1/2 cup butter, room temperature
  • 1 cup sugar
  • 1 egg + 2 eggs whites
  • 2 tbsp oil, flavorless oil
  • 1 tbsp vanilla extract
  • 3/4 cup milk
  • 1/3 cup sprinkles

for the vanilla buttercream frosting

  • 1 cup unsalted butter, room temperature
  • 3 1/2 cups powdered sugar
  • 1 tbsp vanilla extract
  • 3 tbsp milk
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Instructions 

For the Cake

  • Preheat oven to 350 degrees. Grease two 8″ cake pans and dust with flour. This will prevent the cake from sticking.
  • Combine all the dry ingredients in a medium bowl – flour, baking powder, and salt. Mix and set aside.
  • In a large bowl, cream butter until light and fluffy.
  • Add sugar and cream for a few minutes until the mixture is creamy and smooth.
  • Add one egg at a time, vanilla extract, and 2 tbsp oil. Mix well until it's all combined.
  • This is what you should have.
  • Add dry ingredients and milk in batches starting and ending with the dry ingredients. Mix, but do NOT over mix. Now begin by adding 1/3 of the dry ingredients.
  • Add 1/2 of the milk. Then add dry ingredients – milk – dry ingredients.
  • Result so far.
  • Add sprinkles. Mix the sprinkles in using a spatula. Do not over mix.
  • Batter is ready.
  • Split the batter evenly into 2 round baking trays. Into the oven for 25-30 minutes.
  • Cake is done. Let it completely cool before frosting.

For the Frosting

  • Add 2 sticks of room temperature butter to a large mixing bowl.
  • Using an electric mixer, cream until light and fluffy.
  • Add powdered sugar and mix well.
  • Add vanilla extract. Mix.
  • Now add milk. Mix. Frosting is ready.

Frost the cake – I did not frost the sides

  • Add a dollop of frosting to the cake stand.
  • Place one round cake on top – flat side up.
  • Top with half the frosting – so a very generous amount.
  • Place the second cake on top with the flat side facing up.
  • Top with a generous amount of frosting. Use a spoon to make some swirls.
  • Top with sprinkles and add some to the middle layer on the sides.

For Garnish

  • rainbow sprinkles, for the top and sides

Nutrition

Calories: 400kcal | Carbohydrates: 53g | Protein: 2g | Fat: 20g | Saturated Fat: 12g | Cholesterol: 57mg | Sodium: 158mg | Potassium: 46mg | Fiber: 1g | Sugar: 42g | Vitamin A: 570IU | Calcium: 58mg | Iron: 1mg

Additional Info

Course: Dessert
Cuisine: American
Tried this recipe?Mention @honeywhatscooking or tag #honeywhatscooking!
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Hi, I'm Nisha!

I'm a foodie who is passionate about healthy-ish living and mindful eating. You'll find a bit of everything here. I use mostly organic real ingredients and incorporate seasonal produce in my cooking. I believe food is medicine. Join me on this soul-searching journey as I share my love for good food, and I hope I inspire you to eat better somewhere along the way.


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4.80 from 5 votes (3 ratings without comment)

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4 Comments

  1. Hey honey,

    I’m looking to make this cake but don’t see when you’ve added the oil under the instructions. Please could you help?

    Thanks!

    1. HI Anna, This has been corrected. Thank you so much. Add the oil with the vanilla extract.
      Please send me a picture on Instagram DM – would love to share if you make it. 🙂

  2. 5 stars
    So, so delicious. So much better than any store bought cake! My daughter and I made it a few days ago & the recipe directions were on point. Moist & delicious! Thanks for such an awesome recipe ❤️

  3. 5 stars
    Absolutely loved this Funfetti cake!!!Full of fun!!!made it for 31st and everyone at home loved it!!!Substituted eggs with half a cup of store bought yogurt(as per your suggestion)and turned out perfect!!! Thanks!!! Happy New Year!!!