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Key Lime Cake

August 12, 2025 By Gretchen

Jump to Recipe Jump to Video Print Recipe

Zingy and fluffy Key Lime Cake!

The texture of this cake is just perfect and it’s so easy to mix!

Key Lime Cake

Another One Bowl Mix recipe method and it’s iced with my new recipe for 2 ~ 2 ~ 2 Cream Cheese Icing!

Of course you can use whatever you like but this combination tastes divine!
Somehow each bite reminds me of a luscious Key Lime Pie!

This easy sheet cake snack cake is the stuff backyard summer parties are made of!

No refrigeration needed! Just grab a slice and go! You don’t even need a fork or a plate!

Key Lime Cake

For an advanced option bake the cake batter into layers and make a Mojito Cake!

With light mint syrup, rum and lime juice in the icing turns this cake into an adult treat!

Mojito Cake

Another way to go is to just bake it into a loaf pan for a really easy grab and go slice for whenever the mood strikes!

Key Lime Cake

CLICK HERE FOR THE FULL YOUTUBE VIDEO TUTORIAL FOR HOW TO MAKE ALL OF THESE CAKES!

Key Lime Cake

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Notes for Success:

Bake time on round cake pans may be slightly shorter, check cakes at 20 minutes Makes 24 cupcakes~ check at 18 minutes
Standard Loaf Pan will take about 40 minutes

My preference is to combine the vegan butter and oil together versus just one or the other
But you can use all of one or the other if you prefer!

 

Key Lime Cake

Key Lime Cake

Bakes into perfect cupcakes, round layers, sheets, bundts & loaves!
Print Recipe Pin Recipe
Prep Time 20 minutes mins
Cook Time 25 minutes mins
Total Time 45 minutes mins
Servings 15

Ingredients
  

For the Cake Batter:

  • Plant Milk 1 cup 240ml
  • Key Lime Juice ½ cup 118ml
  • Vegan Butter ½ cup 113g *see notes
  • Vegetable Oil ¼ cup 60ml
  • All Purpose Flour 3 cups 375g
  • Granulated Sugar 1½ cups 300g
  • Baking Soda 1 teaspoon
  • Salt ½ teaspoon
  • Lime zest 1 teaspoon
  • Green food color 1 drop *optional

for the icing

  • 1 Recipe 2 2 2 Cream Cheese Icing

Instructions
 

  • Grease & parchment line your cake pan(s) This recipe will make 1-9" x 9" single layer cake OR 2- 8" layers OR 3- 7" layers or 1 Standard Loaf pan, 24 cupcakes
  • Preheat the oven to 350°F
  • Melt the vegan butter & combine it with the vegetable oil
  • Combine the plant milk with the lime juice
  • In a large mixing bowl combine the flour, sugar, baking soda & salt & whisk or sift together to incorporate all the ingredients very well.
  • Add the all liquids: the plant milk with the juice & the melted vegan butter & oil & whisk smooth about 20 strokes to develop the batter
  • Add the lime zest & food color & whisk smooth
  • Divide the batter evenly between your prepared pans.
  • Bake immediately in a preheated 350°F oven for 25-30 minutes depending on the cake pans size and thickness of the layers, but always check at around 20 minutes
    (Loaves should take about 45 minutes but definitely check them at the 30 minute mark just to be sure, as all ovens bake differently.)
  • I like to do the "toothpick" test to make sure there is no raw batter in the centers before taking them out
  • Cool the cakes on a wire rack until you can safely touch them with your bare fingers, then flip them out of the pans carefully to cool the rest of the way.
  • Prepare the 2 2 2 cream cheese icing according to the instructions on that recipe page, or build a layer cake as you desire!

Video

Notes

Key Lime cake with 2 2 2 Cream Cheese Icing can stay at room temperature for up to 3 days.
For longer storage wrap cake layers loosely and keep refrigerated for up to 1 week.
The cake layer(s) can be frozen wrapped well for up to 1 month
Tried this recipe?Let us know how it was!

As of May 2025 I have turned off the commenting feature on my recipes
Due to an extraordinary amount of ai and bot spamming my website cannot handle the fake traffic
Please don’t hesitate to email me @gretchensbakery3@gmail.com or via any of my social platforms
I will respond as soon as I am able!

 

Filed Under: All Recipes, Cake Recipes, Muffins and Breakfast, One Bowl Mixes

Previous Post: « Raspberry Mousse Cake
Next Post: Vegan Marble Cake Recipe »

Reader Interactions

Comments

  1. Cathy Orcutt

    March 17, 2023 at 5:54 pm

    This looks delicious but I need to make a dairy and gluten free cake. Do you think this cake recipe would work with 1:1 gluten free flour? (I use Bobs Red Mill)

    • Gretchen

      March 17, 2023 at 9:56 pm

      I believe it would work! Although I have not tried it with this recipe, I have a good feeling the Bob’s will work! (** do a small test to make sure so you don’t waste ingredients!)

  2. Caitlyn

    July 30, 2023 at 1:32 pm

    I ordered the key lime juice on Amazon but I completely forgot to get the powdered lactic acid for the frosting and I was going to make this today! I have granulated lactic acid for cheese sauces, but I would guess that is too gritty. I don’t know how well a coffee grinder would pulverize that or if it is not worth the risk . Is there another recipe for frosting that you like for this cake? I can run to the grocery store, I just can’t get the lactic acid locally.

    • Gretchen

      July 30, 2023 at 2:24 pm

      Awee bummer! You can use apple cider vinegar instead (although that doesn’t have the POP that the lactic acid does) many people do use that instead.
      I am not sure how it would be in a grinder~ it’s worth a try!

      • Caitlyn

        July 30, 2023 at 5:28 pm

        Thanks!!

  3. Diane

    January 25, 2024 at 2:19 am

    What size loaf pan? Dos it make 1or 2 loaves?

    • Gretchen

      January 25, 2024 at 12:08 pm

      Hey sorry I did not make that clear~ It is 1 Standard Loaf Pan- I use this one specifically

  4. Deb Z

    February 18, 2024 at 9:56 pm

    Hi Gretchen. Can I serve this cake without the frosting? Could I use a glaze or just some sprinkled powdered sugar instead?
    Thanks for all you do!

  5. Val

    March 1, 2025 at 11:17 pm

    I’m going to make this recipe tomorrow; how many cupcakes would this recipe yield? And about 15-20 minute bake?

    • Val

      March 2, 2025 at 8:25 pm

      Never mind! I just read through the notes 🙂

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Yep, it's me Gretchen~ Owner of Gretchen's Bakery. Well, I no longer own a physical bakery since I sold mine in late 2014 & since 2016 I make nothing but the best vegan recipes! Read More…

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