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Key Lime Pie Cupcakes

April 29, 2015 by thedomesticrebel | 47 Comments

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key lime pie cupcakes on wooden stand with lime slicesKey Lime Pie Cupcakes, which I’m pretty sure are everyone’s new favorite. They’re so good.

Similar to my Lemon Bar Cupcakes, these cupcakes are packed with juicy key lime flavor in every bite! They have a fabulous key lime filling and a thick, luscious key lime pie frosting that’s garnished with little sprinkles of honey graham crackers. Talk about the ultimate Key Lime Pie!

key lime pie cupcake on a wooden stand with limesOr the ultimate Key Lime Pie Cupcake…

Yep. Exactly what the doctor ordered.

key lime pie cupcakes with lime wedges on wood*adapted from my Lemon Bar Cupcakes recipe

Print Recipe
5 from 1 vote

Key Lime Pie Cupcakes

These fabulous cupcakes taste just like a slice of sweet and tart key lime pie!
Prep Time20 mins
Cook Time18 mins
Total Time38 mins
Course: Cakes/Cupcakes, Dessert
Cuisine: American, Dessert
Servings: 18
Author: Hayley Parker, The Domestic Rebel

Ingredients

  • 1 box key lime cake mix
  • 3 eggs
  • 1/2 cup oil
  • 3/4 cup water
  • 1/4 cup key lime juice
  • Zest of one lime
  • 1 can Duncan Hines Key Lime Pie Filling
  • 3/4 cup unsalted butter softened to room temperature
  • 1 tsp vanilla extract
  • About 3-4 cups powdered sugar
  • Crushed honey graham cracker crumbs

Instructions

  • Preheat oven to 350 degrees F. Line 2 muffin pans with about 18 paper liners; set aside.
  • In a large bowl, combine the cake mix, eggs, oil, water, lime zest, and key lime juice and beat with a handheld electric mixer for about 2 minutes or until combined. Portion evenly into the prepared muffin cups, filling about 3/4 full. Bake for approx. 15-18 minutes or until a toothpick inserted near the center comes out clean or with moist crumbs. Cool completely.
  • Using a paring knife or cupcake corer, core the cupcakes, careful not to cut all the way through the bottom of the cake. Discard centers. Fill with the prepared key lime pie filling. Set aside.
  • In the bowl of a stand mixer, beat together the butter, about 1/3 cup of the key lime pie filling and the vanilla on medium-high for about 2 minutes, or until fluffy. Add the powdered sugar, about a cup at a time, until frosting is light and fluffy.
  • Pipe frosting high onto filled cupcakes, careful to cover the filling completely. Garnish with crushed graham crackers. Serve immediately or store leftovers airtight in the fridge for up to 3 days.

key lime pie cupcakes with bite removed on woodSweet, tart and bursting with key lime flavor, these fruity cupcakes will transport you right to the Florida Keys without ever leaving the house! I love the fresh lime flavor and the filling is such a zingy, perfect surprise to the sweetness of the frosting and lime cake.

key lime pie cupcakes collageHave a sweet day!

xo, Hayley

 

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Comments

  1. June @ How to Philosophize with Cake says

    April 29, 2015 at 2:44 am

    Those look fantastic! I love key lime desserts, so I’m sure these are awesome 🙂

    Reply
    • thedomesticrebel says

      April 29, 2015 at 7:47 am

      You and me both, June! Thanks friend 🙂

      Reply
    • Cynthia says

      February 22, 2021 at 1:05 pm

      Is this recipe based on an 18.25 ounce or 15.25 ounce cake mix?

      Reply
      • thedomesticrebel says

        February 22, 2021 at 7:35 pm

        Hi Cynthia, since each brand varies, either will work.

        Reply
  2. Jen @ Baked by an Introvert says

    April 29, 2015 at 5:45 am

    No you didn’t! We are now officially bff’s, okay! I love key lime pie and adore cupcakes. This is the perfect dessert marriage!

    Reply
    • thedomesticrebel says

      April 29, 2015 at 7:46 am

      I’m so glad you agree with me, Jen! xoxo!

      Reply
  3. SaraLily says

    April 29, 2015 at 7:53 am

    I LOVE KEY LIME PIE!! My mouth is puckering just imagining the sour tang!! Yum!

    Reply
    • thedomesticrebel says

      April 29, 2015 at 9:34 am

      Thanks SaraLily!

      Reply
  4. Julia says

    April 29, 2015 at 8:06 am

    hay. I have to apologize for being snarky, but when I saw the title, I thought: “oh! key lime pie cupcakes! That’s something you can’t find in a box.” What was the first ingredient? Key lime pie cake mix. :/ I’m a little bummed.

    Reply
    • thedomesticrebel says

      April 29, 2015 at 9:35 am

      I’m sorry you’re bummed, Julia, but cake mix is one of my favorite ingredients to use and doctor up. You won’t even tell it’s from a box! However, feel free to use a homemade vanilla cake mix and add lime juice to it for the flavor. It should work the same! 🙂

      Reply
  5. Liz says

    April 29, 2015 at 11:23 am

    Whoa, these look heavenly! 3 delicious components in every bite!

    Reply
  6. Kelly - Life Made Sweeter says

    April 29, 2015 at 11:39 am

    I love key lime anything! Especially in a pretty cupcake form. These look amazing!

    Reply
    • thedomesticrebel says

      April 29, 2015 at 7:24 pm

      Thanks Kelly! xoxo!

      Reply
  7. Stacey says

    April 29, 2015 at 5:29 pm

    These look fantastic! I bet they taste just as good as the photos make them look!

    Reply
    • thedomesticrebel says

      April 29, 2015 at 7:21 pm

      Thanks so much, Stacey! They sure are tasty!

      Reply
  8. thedomesticrebel says

    April 29, 2015 at 7:21 pm

    Yeah you are! Keep it up, because I’m into key lime right now, too!

    Reply
  9. thedomesticrebel says

    April 29, 2015 at 7:23 pm

    Right?! Knew you’d love ’em, Dorothy! xoxo!

    Reply
  10. Ashley | The Recipe Rebel says

    April 29, 2015 at 7:52 pm

    I would definitely need a batch of these after a trip to any hospital, even if everything turned out okay in the end. Love lime and these look fabulous!

    Reply
    • thedomesticrebel says

      April 30, 2015 at 6:58 am

      Thanks Ashley! I’m on a real lime kick lately 🙂

      Reply
  11. Nicole says

    April 29, 2015 at 9:44 pm

    Love the color of these cupcakes! So fun!

    Reply
    • thedomesticrebel says

      April 30, 2015 at 6:54 am

      Thanks Nicole! The color is super fun 🙂

      Reply
  12. thedomesticrebel says

    April 30, 2015 at 6:57 am

    Shelby – In N Out is AWESOME! I’m so lucky we have it everywhere in California because it’s so good every time!

    Reply
  13. thedomesticrebel says

    April 30, 2015 at 6:58 am

    Thanks J! xoxo!

    Reply
  14. Sandra @ A Dash of Sanity says

    April 30, 2015 at 7:33 am

    Wow! This is such a great idea, especially for summer get togethers. I love citrus flavors when it’s warm out! Pinning, Stumbling, and Yumming!

    Reply
    • thedomesticrebel says

      April 30, 2015 at 12:51 pm

      Thanks a bunch, Sandra! xoxo!

      Reply
  15. thedomesticrebel says

    April 30, 2015 at 7:41 pm

    Oh my gosh, I’m so sorry about your family member! That’s terrible 🙁 I hope it all worked out!

    Reply
  16. Julia says

    June 23, 2015 at 6:08 pm

    holy cow. where do these people come from?

    *applause* to your response, domie-rebel. Totally enjoying your posts.

    Reply
    • thedomesticrebel says

      June 23, 2015 at 6:23 pm

      Haha, thanks so much Julia. 🙂 xoxo.

      Reply
  17. Laura says

    July 5, 2015 at 6:43 am

    um… Wow… I know what I’M doing today now! These are going to be such a delicious summer treat!!

    http://www.cookwineandthinker.com

    Reply
    • thedomesticrebel says

      July 5, 2015 at 4:26 pm

      They’re so good Laura!

      Reply
  18. Sunshyne says

    August 11, 2015 at 4:26 am

    Hello where would I find key lime cake mix or could I use white cake mix

    Reply
    • thedomesticrebel says

      August 11, 2015 at 9:50 am

      Hi Sunshyne! Feel free to use white cake mix and use lime juice for the water. 🙂 Easy!

      Reply
  19. bee says

    March 8, 2016 at 9:32 am

    5 stars
    I agree. My grandma makes apple brown betty tho.

    Reply
  20. Tracy says

    August 3, 2016 at 5:14 am

    I was thinking a vanilla wafer might be good at the bottom of the cupcake. To mimic a crust and to offset a bit of the tartness. What do you think?

    Reply
    • thedomesticrebel says

      August 3, 2016 at 7:28 am

      That would absolutely work!

      Reply
  21. Tickled Tastebuds says

    August 9, 2017 at 1:46 pm

    FYI… Tickled Tastebuds, a home-based bakery in Huntsville, AL, has been using images of your food to advertise her own product. Specifically, she is using an image of your key lime pie cupcake to sell her own using a compilation image on her Facebook account. I assume you would not give permission, but I also assume she has not asked for permission. The reply email listed here is her FB listed email address.

    Reply
  22. Kathy says

    April 24, 2018 at 4:53 pm

    I was wanting to know if the recipe would be the same way if i wanted to make this as a cake?

    Reply
    • thedomesticrebel says

      April 25, 2018 at 9:17 am

      Yes, that works!

      Reply
  23. Tracy says

    April 28, 2018 at 5:33 am

    I couldn’t find the key lime pie filling any other suggestions on what I can use?

    Reply
    • thedomesticrebel says

      April 28, 2018 at 7:37 am

      Lime curd!

      Reply
  24. Jeanne says

    July 23, 2019 at 10:07 pm

    Where do you find key lime cake mix? Can’t even find it anywhere on line… what brand is it?

    Reply
    • thedomesticrebel says

      July 24, 2019 at 8:01 am

      Hi Jeanne, I think it was a seasonal item! But you can use regular white cake mix and add in fresh lime zest and lime Jello powder (just the dry powder) and that should work!

      Reply
  25. Chelsea Kimbro says

    April 21, 2020 at 4:54 pm

    What kind and where did you find a Keylime cake mix? I’m having trouble finding one!

    Reply
    • thedomesticrebel says

      April 21, 2020 at 7:45 pm

      Hi Chelsea! It was Pillsbury brand but I don’t think they make it anymore. In a pinch, you can use white cake mix, add in 2-3 Tablespoons lime extract and a package of dry lime jell-o powder to the batter, then bake as normal!

      Reply
  26. Ashley M Davis says

    February 26, 2021 at 11:44 pm

    I just made these tonight, and subbed lime juice for water in a white cake mix. But my cupcakes fell. They’re only like 1.5 inches tall now. Not sure what went wrong!

    Reply
    • thedomesticrebel says

      February 28, 2021 at 3:42 pm

      Hi Ashley, the lime juice is what caused the cupcakes not to rise. The acid in the lime juice probably had a bad reaction with the leavening in the cake mix unfortunately.

      Reply

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About me

Welcome to The Domestic Rebel! My name is Hayley and I am the 31-year old writer, photographer, recipe developer, taste-tester and creator of this blog. I’m so glad you’ve stopped by my little slice of sprinkly, butter-laden heaven on the interwebs. If it wasn’t apparent, I like to bake… a lot. Read More…

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