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Indulge in the delightful tang of summer with this irresistible Key Lime Fudge recipe! Imagine the zesty essence of freshly squeezed limes harmonizing with the rich creaminess of white chocolate, all coming together in perfect fudgy goodness. It’s like a slice of your favorite lime pie transformed into a luxurious treat that will have everyone reaching for seconds.
This Key Lime Fudge is not just a dessert; it’s a flavor experience that will brighten up any gathering. The process of creating this sweet delight is a joy in itself— from zesting limes to pouring in that velvety white chocolate mixture, every step is a celebration of flavors and textures. And the best part? You don’t even need to hunt down elusive key limes; regular limes work just as beautifully in this recipe.
So, whether you’re looking to impress your guests at a summer soiree or just craving a little slice of lime-infused paradise, this Key Lime Fudge is the answer. With a hint of graham cracker on top for that pie-like charm and the option to customize with coconut or a drizzle of white chocolate, this fudge is sure to become a staple in your dessert repertoire. Get ready to savor the sweet-tart symphony of flavors and dive into a world of creamy indulgence with every bite of this Key Lime Fudge!
Quick Benefits
- Tangy Lime Flavor: The fudge offers a refreshing tangy lime taste that is a delightful twist on the classic sweet treat.
- Creamy Texture: The addition of marshmallows keeps the fudge super creamy, ensuring a velvety smooth texture.
- Easy to Make: Requires minimal effort and simple ingredients, making it a quick and hassle-free dessert option.
- Long Shelf Life: Can be stored in the fridge for weeks or frozen for later enjoyment, perfect for making ahead or gifting.
Why You’ll Love This Tangy Key Lime Fudge Recipe Recipe
- Unique Flavor Combination: Tangy lime and silky white chocolate create a deliciously unique flavor profile that’s a delightful twist on traditional fudge recipes.
- Easy to Make: This recipe requires minimal effort and is a great opportunity to involve kids in the kitchen, making it a fun and accessible treat to prepare.
- Adaptable Ingredients: Can’t find key limes? No problem! Regular limes work just as well. Customize with green food coloring or graham cracker crumbs for extra flair.
- Long-Lasting: Stays fresh in the fridge for weeks, making it a convenient make-ahead dessert or gift option for special occasions.
- Versatile Toppings: Enhance the fudge with crumbled graham crackers, coconut flakes, or a drizzle of melted white chocolate for added texture and flavor.
- Family-Friendly: The creamy texture from marshmallows makes this fudge suitable for all ages and ensures a smooth consistency without any sugary grittiness.
- Foolproof Cooking Tips: Detailed instructions on stirring, temperature control, and cooking time ensure a perfect, velvety fudge every time.
- Seasonal Delight: Perfect for any time of year, this fudge is a versatile treat that can be enjoyed during hot summer days or as a festive addition to winter gatherings.
- Great for Gifting: The sweet-tart flavor profile and visually appealing presentation make this fudge an excellent homemade gift that is sure to impress friends and family.
Ingredients for Tangy Key Lime Fudge Recipe
- 1 2/3 cup white sugar.
- 2 cups of white chocolate chips.
- 5-ounce can of low-fat evaporated milk.
- 2 tablespoons of key lime juice from 5-7 limes.
- 1/2 tsp salt.
- Grated zest from 5 limes—about 1/4 cup.
- 12 big marshmallows, cut into quarters.
Pro Tips for Tangy Key Lime Fudge Recipe
Pro Tip 1: When making Key Lime Fudge, don’t skip the lime zest – it’s the secret ingredient that adds a burst of tangy flavor. Keep stirring the mixture constantly to prevent clumps and ensure a smooth texture. If you’re short on time, using store-bought key lime juice like Nellie & Joe’s can be a convenient alternative.
Pro Tip 2: For easy removal and clean cuts, line your pan with foil and grease it before pouring in the fudge mixture. Using marshmallows in the recipe not only adds creaminess but also helps prevent the fudge from becoming grainy. Feel free to customize your fudge by adding crushed graham crackers, coconut, or a drizzle of melted white chocolate on top for extra flair and flavor.
How to Make Tangy Key Lime Fudge Recipe
Step 1: Prep Pan
Grease a piece of foil and use it to line an 8×8 pan.
Step 2: Make Base
In a heavy saucepan, heat sugar, salt, and evaporated milk over medium heat until it bubbles.
Step 3: Cook
Reduce the heat slightly and continue stirring for 5–6 minutes while it boils.
Step 4: Add Ingredients
Remove from heat and stir in marshmallows, lime zest, lime juice, and chocolate until mixture is smooth and creamy.
Step 5: Set
Pour the mixture evenly into the pan and allow it to set and cool completely.
Step 6: Cut
Cut into 1-inch slices.
Storage Tips
Once your Key Lime Fudge is prepared, store it in an airtight container in the refrigerator. The cool temperature will help maintain its freshness and creaminess for up to a few weeks. To prevent the fudge squares from sticking together, separate them with parchment paper before storing.
If you want to freeze some of the fudge for later enjoyment, wrap the individual squares with parchment paper and place them in a freezer-safe container or Ziploc bag. Properly stored, the Key Lime Fudge can be frozen for a few months without losing its delicious flavor and texture. Just remember to thaw them in the refrigerator before serving.
By following these storage tips, you can enjoy your tangy and creamy Key Lime Fudge over an extended period, making it a perfect treat to have on hand for special occasions or as a delightful homemade gift for friends and family.
Ingredient Substitutions
If you can’t find key limes, regular limes are a suitable substitute in this Key Lime Fudge recipe. Adjust the amount of juice slightly, as regular limes are typically less tangy than key limes. Additionally, if you prefer a more vibrant green color in the fudge, a small amount of green food coloring can be added to achieve the desired look.
If you don’t have marshmallows on hand, you can try substituting them with an equal amount of fluffier alternatives such as mini marshmallows or even cream cheese for a creamy texture. The marshmallows play a crucial role in ensuring the fudge remains smooth and prevents the sugar from crystallizing, so choose a substitution that can fulfill this function to maintain the fudge’s creamy consistency.
When lining the pan, if you do not have parchment paper, using aluminum foil can be a good alternative. Remember to grease the foil to prevent the fudge from sticking and to ensure clean, neat cuts when slicing the fudge. This substitution can make it easier to remove the fudge from the pan and maintain its shape for serving.
Serving Suggestions
To elevate your Key Lime Fudge, try serving it in individual mini graham cracker crusts for a fun and portable twist on the classic pie-inspired treat. Top each mini pie with a dollop of whipped cream and a sprinkle of lime zest to enhance the citrusy flavors and add a refreshing touch. These adorable individual servings are perfect for parties or gatherings, allowing guests to enjoy a taste of summer in every bite!
For a decadent dessert presentation, create a Key Lime Fudge parfait by layering crumbled graham crackers, creamy fudge, and toasted coconut in a clear glass. Top it off with a drizzle of melted white chocolate and a few marshmallow pieces for added texture and sweetness. This visually appealing dessert not only showcases the vibrant colors and flavors of the fudge but also offers a delightful textural contrast that will impress your guests and satisfy their sweet cravings.
FAQs for Tangy Key Lime Fudge Recipe
Can I use regular limes instead of key limes for this Key Lime Fudge recipe?
Yes, regular limes can be substituted for key limes in this recipe. Adjust the amount of juice used slightly since regular limes are typically less acidic than key limes.
Why are marshmallows included in this fudge recipe?
Marshmallows are added to the recipe to help keep the fudge creamy, prevent it from becoming grainy, and aid in holding the fudge together.
Do I need to use foil when making this Key Lime Fudge?
Foil is recommended to line the pan when making this fudge as it makes it easier to lift the fudge out of the pan. Remember to grease the foil to ensure the fudge comes out easily and retains its shape when cut.
How long should I let the fudge mixture bubble on the stove?
Allow the fudge mixture to bubble on the stove for approximately 5 to 6 minutes, or until it thickens slightly and takes on a slightly darker color. Consistently stirring the mixture while it bubbles helps prevent burning and ensures a velvety texture.
Conclusion
Key Lime Fudge is a delightful treat that never fails to bring a smile to everyone’s face. The tangy lime flavor combined with the creamy white chocolate creates a heavenly combination that is simply irresistible. Whether you’re making it for a summer gathering or a cozy winter evening, this fudge is sure to be a hit!
Don’t be afraid to get creative with this recipe! From adding a sprinkle of graham cracker crumbs to drizzling some extra white chocolate on top, there are endless ways to customize your Key Lime Fudge and make it your own. So go ahead, whip up a batch of this delicious fudge, share it with your loved ones, and watch as it disappears in no time. Enjoy every bite of this decadent Key Lime Fudge creation!

Tangy Key Lime Fudge Recipe
Ingredients
- 1 2/3 cup white sugar.
- 2 cups of white chocolate chips.
- 5-ounce can of low-fat evaporated milk.
- 2 tablespoons of key lime juice from 5-7 limes.
- 1/2 tsp salt.
- Grated zest from 5 limes—about 1/4 cup.
- 12 big marshmallows, cut into quarters.
Instructions
-
Prep Pan: Grease a piece of foil and use it to line an 8×8 pan.
-
Make Base: In a heavy saucepan, heat sugar, salt, and evaporated milk over medium heat until it bubbles.
-
Cook: Reduce the heat slightly and continue stirring for 5–6 minutes while it boils.
-
Add Ingredients: Remove from heat and stir in marshmallows, lime zest, lime juice, and chocolate until mixture is smooth and creamy.
-
Set: Pour the mixture evenly into the pan and allow it to set and cool completely.
-
Cut: Cut into 1-inch slices.








