Triple Lemon Cake

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This Triple Lemon Cake recipe is easy and so, so good. A fluffy, sweet and perfectly tangy lemon cake topped with homemade buttercream frosting.

I have been meaning to post this recipe for Triple Lemon Cake for a while now. However I’ve been busy baking it over and over for my parents’ birthdays. Now that both birthdays are over with and I finally have some time, here is the recipe.

And it’s good. The lemon curd is the best part, so sweet and perfectly tangy. Mmmm. I could bathe in it. And the buttercream is so light and sweet, yet still with just enough tang. The cake is nicely dense and delicious. It’s all a perfect combo.

slice of easy Triple Lemon Cake on white plate

The Best Lemon Cake Recipe

I made it the first time for my mom’s birthday in July and I was surprised how much of a hit it was.

My family has never really been big on lemon. My grandmother loves lemon and we’ve had lemon cakes for her birthday before. But I can’t say anyone else was ever really into it.

So imagine my surprise when my mom requested it for her birthday. Her cake was two-tiered, so I made the smaller tier the lemon cake because I thought for sure it would be less popular than a chocolate cake.

I was wrong.

close up image of triple lemon cake slice

My mom was fighting people off it! She finally cut off a big chunk and put it in the freezer (She likes to save cake and stockpile it for when she feels like a piece. My kind of lady.)

And then an even crazier thing happened. My dad requested it for his birthday! Never in my life did I think my dad would request a lemon cake!

image of side of Lemon Cake with buttercream flowers

The only person that doesn’t knock someone over for a piece of this cake is my husband. Of all people I thought he’d love a lemon cake. Part of the reason I think I like lemon more now is that he got me into using fresh lemon on seafood.

But he would barely even taste this cake. I was blown away. How is it that my family likes a lemon cake and he won’t even touch it? Apparently, he thinks lemon should only go on seafood.

Seriously? He’s missing out.

Oh well, more for the rest of us! 🙂

You might also like:
Lemon Curd
Lemon Cake with Lemon Bavarian Cream
Lemon Mascarpone Layer Cake
Lemon Raspberry Layer Cake
Lemon Blueberry Cheesecake
Lemon Yogurt Breakfast Cake

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Triple Lemon Cake slice on white plate

Triple Lemon Cake

  • Author: Lindsay Conchar
  • Prep Time: 1 hour
  • Cook Time: 35 minutes
  • Total Time: 1 hour 35 minutes
  • Yield: 12-14 Slices
  • Category: Dessert
  • Method: Oven
  • Cuisine: American


This Triple Lemon Cake recipe is easy and so, so good. A fluffy, sweet and perfectly tangy lemon cake topped with homemade buttercream frosting.



  • 2 cups all purpose flour
  • 1 1/2 cups sugar
  • 3/4 tsp baking powder
  • 1 tsp baking soda
  • 1/2 tsp salt
  • 3 eggs
  • 2/3 cup vegetable oil
  • 2/3 cup fresh lemon juice
  • 3/4 cup sour cream


  • 1/4 cup fresh lemon juice (about 12 lemons)
  • 2 tsp finely grated lemon zest
  • 1/3 cup sugar
  • 4 egg yolks
  • 3 tbsp butter (I used unsalted)


  • 1 1/2 cups butter
  • 1 1/2 cups shortening
  • 12 cups (3 lbs) powdered sugar
  • 3 tsp finely grated lemon zest
  • 6 tbsp fresh lemon juice
  • 3/4 tsp vanilla
  • 12 tsp water – plus more to the consistency you want



  1. Combine flour, sugar, baking powder, baking soda and salt in a large bowl and whisk together.
  2. Add eggs, oil and lemon juice. Beat until smooth.
  3. Add sour cream and beat until smooth.
  4. Bake at 350 degrees in two 8-inch pans for about 25 minutes or until done.


  1. Combine all ingredients in a double boiler (or in a metal bowl over a pot of simmering water, like I did).
  2. Heat while stirring constantly with a whisk.
  3. It is done when it’s thick enough to coat the back of a spoon. You will be able to tell it has thickened, but I wouldn’t say that it’s “thick.”
  4. Refrigerate until cool and thick.


  1. Beat butter and shortening together until smooth.
  2. Add 6 cups of powdered sugar, one at a time, beating to combine.
  3. Add lemon juice, lemon zest and vanilla and combine.
  4. Add the remaining powdered sugar and beat to combine.
  5. Add water to get the consistency you want, starting with 1/2 tsp, beat to combine.


  1. Divide the cake into four layers by slicing each cake in half.
  2. Fill two layers with lemon buttercream and the other two with lemon curd.
  3. Frost the outside of the cake.


  • Serving Size: 1 Slice
  • Calories: 1044
  • Sugar: 110.8 g
  • Sodium: 224.1 mg
  • Fat: 58.9 g
  • Carbohydrates: 128.3 g
  • Protein: 6.2 g
  • Cholesterol: 156.1 mg

Keywords: lemon curd cake, lemon cake with lemon curd, triple lemon cake

Filed Under:


Cake recipe modified from Bakerella’s Key Lime Cream Cake recipe. Lemon curd from Glorious Treats Homemade Lemon Curd recipe.

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    1. Lindsay

      I guess it depends on how much more. You’d probably want to replace something else and too much more could add more acid than the cake can handle.

  1. Jeanette T

    I’ve made your recipe many times and everyone loves it. But, The layers I baked yesterday were not to my satisfaction. Could you tell me how many grams of flour are in one of “your cups” ? A cup of flour could range from 120-145g per cup depending on how one places the flour in a measuring cup. Thanks so much

  2. Mel

    This was great! I quartered the recipe and made cupcakes out of it. I hollowed out the center of the cupcakes and filled with the lemon curd. I also didn’t have fresh lemons so I subbed with bottled lemon juice and dried lemon peel. Delish!

    1. Lindsay

      Shortening is a butter substitute. Feel free to replace it with the same amount of additional butter. I’m not sure exactly how much lemon curd it is but it should be enough for the cake.

  3. Tina Kaye

    How far in advance can I make the cake?
    I’m making it for a 50th wedding aniversary on Saturday but need to decorate and I am working on thd Friday so need to make weds/ Thurs ?
    Will it be OK??

About Lindsay

I'm a wife and a mom to twin boys and a baby girl! And I've got a serious sweets addiction! Bring on the treats!

Scripture I’m Loving

“Come to me, all you who are weary and burdened, and I will give you rest. Take my yoke upon you and learn from me, for I am gentle and humble in heart, and you will find rest for your souls.” Matthew 11:28-29