Key Lime Pie Cupcakes

by Julie
Delicious Key Lime Pie Cupcakes with lime frosting and graham cracker toppings

Indulging in the delightful world of Key Lime Pie Cupcakes is truly a treat that combines the tangy brightness of lime with the sweet richness of frosting, all nestled in a fluffy cake. If you’re a fan of the classic Key lime pie, you’ll find that these cupcakes capture the essence of that beloved dessert in a fun and portable way. Whether you’re celebrating a special occasion or simply want to brighten your day, this recipe is sure to impress family and friends alike.

Reasons to Try It

What makes Key Lime Pie Cupcakes a must-bake? For starters, they combine a beloved dessert into an easy-to-eat cupcake form, making them perfect for parties or picnics. Not only are they delicious, but they also provide a fantastic chance to showcase your baking skills without the stress of a full pie. The creamy Key lime curd and rich cream cheese frosting create a perfect balance of flavors that appeal to both kids and adults. This dessert is especially delightful during warm months, bringing a refreshing burst of citrus to your table.

Preparing Key Lime Pie Cupcakes

This recipe features a two-part process: first, you’ll prepare the zesty Key lime curd, followed by baking the cupcakes. Once everything is baked and cooled, you’ll finish by creating a smooth cream cheese frosting and assembling your delectable treats. In just a few steps, you’ll have a whimsical dessert that’s sure to wow your guests!

Key Ingredients

To create these scrumptious cupcakes, here’s what you’ll need:

  • ½ cup granulated sugar
  • ¼ cup bottled Key lime juice
  • 1 large egg
  • 1 egg yolk
  • 2 tablespoons salted butter, cut into pieces and chilled
  • 1 (15–16 oz.) box white cake mix (plus required ingredients per box, usually eggs, oil, and water)
  • 1 stick (½ cup) salted butter, softened to room temperature
  • 8 oz. cream cheese, softened to room temperature
  • ¼ cup bottled Key lime juice
  • 4 cups powdered sugar (approximate; adjust to taste/consistency)
  • Graham cracker crumbs
  • Thin lime slices (optional for garnish)

Feel free to experiment with the ingredients; for example, you can use fresh Key limes if you have them available, or substitute the graham cracker crumbs with crushed cookies for a unique flavor.

Step-by-Step Instructions

Key Lime Curd

  1. In a small saucepan, whisk together sugar, Key lime juice, 1 whole egg, and 1 egg yolk.
  2. Place the saucepan over medium-low heat, stirring constantly for about 5–7 minutes, until the mixture thickens and coats the back of a spoon.
  3. Remove from heat and stir in the chilled butter pieces until melted.
  4. Transfer to a bowl, cover with plastic wrap (press it directly onto the surface), and refrigerate until cool.

Baking the Cupcakes

  1. Preheat your oven to the temperature indicated on your cake mix box (usually around 350°F/177°C).
  2. Line two standard cupcake pans with paper liners.
  3. Prepare the white cake mix batter according to package instructions.
  4. Fill each cupcake liner about ⅔ full and bake for 18–22 minutes, or until a toothpick inserted into the center comes out clean.
  5. Allow cupcakes to cool in the pan for a few minutes before transferring them to a wire rack to cool completely.

Cream Cheese Frosting

  1. In a large mixing bowl, beat the softened butter and cream cheese together on medium speed until smooth (approximately 2 minutes).
  2. Add the Key lime juice, then gradually beat in the powdered sugar on low speed.
  3. Increase to medium-high and beat until fluffy, adjusting sweetness with more powdered sugar or lime juice to your preference.

Assembling and Decorating

  1. Once the cupcakes are cool, use a small knife or apple corer to remove a tiny “well” from the center of each cupcake.
  2. Spoon or pipe about a teaspoon of the chilled Key lime curd into each well.
  3. Pipe or spread the cream cheese frosting over the cupcakes.
  4. Sprinkle graham cracker crumbs on top and garnish with thin slices of lime for an extra touch of whimsy.

Best Ways to Enjoy Them

To elevate your serving game, consider adding a dollop of extra Key lime curd on the side or a splash of whipped cream for a creamy texture. Pair these cupcakes with iced tea or daiquiris to kick your tropical vibes into high gear. Present them on a beautiful cake stand for a stunning visual, making them a lovely centerpiece for any gathering.

Storage and Reheating Tips

To keep your cupcakes fresh, store them in an airtight container in the refrigerator for up to five days. If you’d like to freeze them, wrap each cupcake individually in plastic wrap and place them in a freezer-safe bag. When ready to enjoy, thaw in the fridge overnight. Always be cautious about safe food handling practices, especially with cream cheese frosting.

Pro Chef Tips

  • Make the Key lime curd a day ahead; it allows the flavors to deepen and ensures it’s completely chilled when you assemble your cupcakes.
  • Avoid overmixing the cupcake batter; this can lead to dense cupcakes instead of light and fluffy ones.
  • If you find the frosting too sweet, a splash of additional lime juice can help balance the flavors effectively.

Creative Twists

  • For a chocolate variation, add cocoa powder to the frosting and top the cupcakes with chocolate shavings instead of graham cracker crumbs.
  • You can use different citrus juices, such as blood orange or lemon, to create a unique flavor profile while still retaining the tartness.
  • For a gluten-free option, swap the white cake mix with a gluten-free cake mix to make these cupcakes accommodate various dietary needs.

Your Questions Answered

What’s the prep time for Key Lime Pie Cupcakes?

Expect about 30 minutes of prep time, followed by baking and cooling before assembly.

Can I use fresh Key limes instead of bottled juice?

Absolutely! Fresh Key limes will provide a more authentic flavor, but bottled juice is perfectly acceptable for convenience.

How long can I store these cupcakes?

You can store them in the refrigerator for up to five days. If you need longer storage, consider freezing them.

With each bite of these delightful Key Lime Pie Cupcakes, you’ll be transported to a sunny beach, making every moment feel like a mini-vacation. So, roll up your sleeves, and let’s get baking!

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Key Lime Pie Cupcakes


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  • Author: julie
  • Total Time: 55 minutes
  • Yield: 12 servings 1x
  • Diet: Vegetarian

Description

Indulge in Key Lime Pie Cupcakes that combine the tangy brightness of lime with sweet frosting, nestled in a fluffy cake.


Ingredients

Scale
  • ½ cup granulated sugar
  • ¼ cup bottled Key lime juice
  • 1 large egg
  • 1 egg yolk
  • 2 tablespoons salted butter, cut into pieces and chilled
  • 1 (15–16 oz.) box white cake mix (plus required ingredients per box, usually eggs, oil, and water)
  • 1 stick (½ cup) salted butter, softened to room temperature
  • 8 oz. cream cheese, softened to room temperature
  • ¼ cup bottled Key lime juice
  • 4 cups powdered sugar (approximate; adjust to taste/consistency)
  • Graham cracker crumbs
  • Thin lime slices (optional for garnish)

Instructions

  1. Whisk together sugar, Key lime juice, 1 whole egg, and 1 egg yolk in a small saucepan.
  2. Place the saucepan over medium-low heat, stirring constantly for about 5–7 minutes, until thickened.
  3. Remove from heat and stir in chilled butter until melted.
  4. Transfer to a bowl, cover with plastic wrap, and refrigerate until cool.
  5. Preheat your oven to the temperature indicated on your cake mix box, usually around 350°F (177°C).
  6. Line two standard cupcake pans with paper liners.
  7. Prepare the white cake mix batter according to package instructions.
  8. Fill each cupcake liner about ⅔ full and bake for 18–22 minutes, or until a toothpick comes out clean.
  9. Allow cupcakes to cool in the pan for a few minutes before transferring to a wire rack to cool completely.
  10. Beat softened butter and cream cheese together in a large mixing bowl until smooth (approximately 2 minutes).
  11. Add Key lime juice, then gradually beat in powdered sugar on low speed.
  12. Increase to medium-high and beat until fluffy, adjusting flavors as necessary.
  13. Remove a small “well” from the center of each cooled cupcake using a small knife or apple corer.
  14. Spoon or pipe about a teaspoon of the chilled Key lime curd into each well.
  15. Pipe or spread cream cheese frosting over the cupcakes.
  16. Sprinkle graham cracker crumbs on top and garnish with lime slices.

Notes

Make the Key lime curd a day ahead for deeper flavors. Store cupcakes in an airtight container for up to five days.

  • Prep Time: 30 minutes
  • Cook Time: 25 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 cupcake
  • Calories: 300
  • Sugar: 20g
  • Sodium: 250mg
  • Fat: 13g
  • Saturated Fat: 7g
  • Unsaturated Fat: 6g
  • Trans Fat: 0g
  • Carbohydrates: 40g
  • Fiber: 1g
  • Protein: 3g
  • Cholesterol: 40mg