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Home » Irresistible Key Lime Dump Cake: A Tropical Delight Recipe

Irresistible Key Lime Dump Cake: A Tropical Delight Recipe

July 14, 2025 by HannahDump Cake

Jump to Recipe·Print Recipe

The moment you breathe in the tangy aroma of freshly baked key lime dump cake, you know you’re in for a treat. Picture this: a luscious, creamy lime filling blanketed by a slightly crispy golden crust that’s just waiting to melt in your mouth. Tropical Dump Cake Recipe Coconut Lime Cupcakes It’s like a tropical vacation for your taste buds without the need for sunscreen or an overpriced cocktail.

Now, let me take you back to a time when I was at my grandmother’s kitchen. It was summer, and the air buzzed with laughter and the sweet scent of citrus. Grandma would whip up her famous key lime dump cake for family gatherings, and trust me, it was always the star of the show. Whether it was Fourth of July barbecues or birthday parties, this cake brought smiles and fond memories around the table. For more inspiration, check out this lemon poppy seed cake recipe.

Why You'll Love This Recipe

  • This key lime dump cake is incredibly easy to prepare, making it perfect for busy weeknights or last-minute gatherings.
  • The refreshing flavor profile will have everyone raving about its zesty goodness.
  • With its eye-catching presentation, this dessert is guaranteed to impress your guests.
  • Plus, it’s versatile enough to be served on any occasion be it casual or festive!

Ingredients for key lime dump cake

Here’s what you’ll need to make this delicious dish:

  • Key Lime Juice: Freshly squeezed juice is best for that vibrant flavor; bottled can work in a pinch.
  • Yellow Cake Mix: A classic choice that creates a fluffy base; use any brand you prefer.
  • Sweetened Condensed Milk: This magical ingredient adds creaminess and sweetness that balances the tartness perfectly.
  • Butter: Melted butter adds richness and helps create that desirable crispy top layer.
  • Lime Zest: A sprinkle of zest elevates the flavor and gives it that extra zing.

The full ingredients list, including measurements, is provided in the recipe card directly below.

Recipe preparation for key lime dump cake

How to Make key lime dump cake

Follow these simple steps to prepare this delicious dish:

Step 1: Preheat Your Oven

Preheat your oven to 350°F (175°C). Grab a baking dish and give it a good spray with nonstick cooking spray so your cake won’t stick like bad memories.

Step 2: Mix Your Ingredients

In a mixing bowl, combine one cup of key lime juice with one can of sweetened condensed milk. Stir until well blended; this mixture will be the creamy heart of your cake.

Step 3: Prepare Your Cake Base

In another bowl, prepare the yellow cake mix according to package instructions but skip adding eggs trust me; we want it more on the “dump” side than traditional.

Step 4: Assemble Your Cake

Pour half of the prepared cake batter into your greased baking dish. Then pour over your lime mixture evenly before dolloping the remaining batter on top like you’re creating edible clouds.

Step 5: Add Butter and Bake

Drizzle melted butter all over the top because butter makes everything better! Bake in your preheated oven for about 30-35 minutes until golden brown and set.

Step 6: Let It Cool

Once baked, remove from the oven and let your masterpiece cool if you can resist diving right in! Serve chilled or at room temperature; either way, it’s delicious!

Transfer to plates and serve with whipped cream or fresh berries for that final touch of culinary flair! Enjoy every bite while reminiscing about those delightful summer days filled with laughter and love.

You Must Know

  • This delightful key lime dump cake is as easy to whip up as it is to devour.
  • With a pastry-like top and a citrusy punch, it’s perfect for any gathering.
  • Plus, you can impress your friends without breaking a sweat!

Perfecting the Cooking Process

Start by preheating your oven to 350°F. While it warms up, mix the lime juice and zest with the cake mix for that key lime flavor. Then, pour the mixture into a greased baking dish and top with the butter. Finally, bake until golden brown and bubbly.

Add Your Touch

Feel free to swap out the key lime juice for regular lime or even lemon if you want to switch things up. You can also add shredded coconut or crushed graham crackers on top for extra crunch and flavor. The possibilities are endless!

Storing & Reheating

Store any leftover key lime dump cake in an airtight container in the fridge for up to three days. To reheat, simply pop it in the microwave for 20-30 seconds enjoy it warm for that freshly baked taste!

Chef's Helpful Tips

  • Always use fresh key limes for the best flavor; bottled juice can’t compete with that zing!
  • Make sure not to overmix; lumps are okay!
  • Lastly, let the cake cool slightly before serving it helps with slicing.

The first time I made this key lime dump cake, my friends couldn’t stop raving about it at my birthday party. Blueberry Lemon Dump Cake They even asked if I had a secret recipe little did they know how easy it was!

FAQs:

What ingredients do I need for key lime dump cake?

To make key lime dump cake, you will need a box of yellow cake mix, sweetened condensed milk, key lime juice, and butter. For added flavor, you can also include lime zest and whipped cream for serving. This simple combination helps create a deliciously tangy dessert that’s perfect for any occasion. Remember to have a baking dish ready to assemble the ingredients easily and efficiently.

How long does it take to bake key lime dump cake?

Baking key lime dump cake typically takes about 45-50 minutes in a preheated oven set at 350°F (175°C). However, it’s essential to keep an eye on the cake as baking times may vary depending on your oven. You will know it’s done when the top turns golden brown and a toothpick inserted in the center comes out clean. Allow it to cool slightly before serving for the best texture.

Can I make key lime dump cake ahead of time?

Yes, you can prepare key lime dump cake ahead of time! It is an excellent dessert for gatherings since it keeps well in the refrigerator. Once baked, allow the cake to cool completely before covering it with plastic wrap or foil. Store it in the fridge for up to three days. When you’re ready to serve, just top it with whipped cream or additional lime zest for a fresh touch.

Can I use fresh limes instead of juice for key lime dump cake?

Absolutely! Using fresh limes can enhance the flavor of your key lime dump cake significantly. Squeeze enough fresh lime juice to measure about ½ cup, and add some zest for an extra citrus kick. This substitution not only brightens the taste but also allows you to enjoy the natural essence of key limes in your dessert.

Conclusion for key lime dump cake:

In summary, key lime dump cake is a delightful and easy dessert that combines simple ingredients like yellow cake mix and key lime juice. Perfect for any celebration or casual gathering, this recipe allows you to enjoy a tangy treat without complicated steps. Zesty Key Lime Cookies Whether you choose to prepare it ahead of time or serve it warm with whipped cream, its refreshing flavor will surely impress your guests. Enjoy this deliciously sweet indulgence that captures the essence of summer in every bite!

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Key Lime Dump Cake

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Key Lime Dump Cake is a delightful dessert that captures the vibrant essence of summer in every bite. This easy-to-make cake features a creamy, tangy lime filling topped with a crispy golden crust, making it perfect for any occasion—from casual weeknight dinners to festive celebrations. With just a few simple ingredients, you can whip up this crowd-pleaser that will have everyone asking for seconds.

  • Author: Olivia
  • Prep Time: 15 minutes
  • Cook Time: 35 minutes
  • Total Time: 50 minutes
  • Yield: Serves 12 1x
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Ingredients

Scale
  • 1 cup key lime juice (freshly squeezed)
  • 1 can (14 oz) sweetened condensed milk
  • 1 box (15.25 oz) yellow cake mix
  • ½ cup butter (melted)
  • 2 tsp lime zest

Instructions

  1. Preheat your oven to 350°F (175°C). Grease a baking dish with nonstick spray.
  2. In a mixing bowl, combine key lime juice and sweetened condensed milk until smooth.
  3. In another bowl, prepare the yellow cake mix according to package instructions, omitting eggs.
  4. Pour half of the batter into the greased dish, followed by the lime mixture, then dollop the remaining batter on top.
  5. Drizzle melted butter over the top and bake for 30-35 minutes until golden brown.
  6. Allow to cool slightly before serving; enjoy chilled or at room temperature.

Nutrition

  • Serving Size: 1 slice (100g)
  • Calories: 280
  • Sugar: 21g
  • Sodium: 240mg
  • Fat: 12g
  • Saturated Fat: 7g
  • Unsaturated Fat: 4g
  • Trans Fat: 0g
  • Carbohydrates: 39g
  • Fiber: 1g
  • Protein: 3g
  • Cholesterol: 30mg

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  1. S’mores Dump Cake says:
    July 16, 2025 at 9:01 am

    […] together the delightful flavors of chocolate, marshmallow, and graham crackers in a single pan. tropical key lime dump cake Imagine the aroma wafting through your kitchen as you bake this gooey masterpiece, inviting […]

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