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Lemon blueberry icebox cake - Featured

Lemon Blueberry Icebox Cake: 1 Easy Summer Treat

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June 15, 2025

Oh, is there anything better than a cool, refreshing dessert when the weather heats up? I don’t think so! That’s exactly why I fell head-over-heels for this Lemon blueberry icebox cake. It’s like a little slice of pure summer joy, and the best part? You don’t even need to turn on the oven! Seriously, it’s the easiest impressive dessert you’ll ever make.

You know, I’m Catherine, and here at Unfold Recipes, I’m all about making beautiful food feel totally doable for you at home. My mom’s cooking from sunny California and my dad’s soulful Spanish dishes really taught me that food connects us, and this icebox cake? It’s definitely a new way to connect with your loved ones over something truly delightful.

This cake is just perfect. It layers crunchy graham crackers with this dreamy, lemony whipped cream, studded with sweet blueberries. It’s a no-bake wonder that always gets rave reviews, and honestly, it’ll make you feel like a baking rockstar without breaking a sweat.

Why You’ll Love This Lemon Blueberry Icebox Cake

Seriously, there are so many reasons this lemon blueberry icebox cake is a winner, especially when it’s warm out:

  • Super Easy! You literally just mix, layer, and chill. No baking involved at all.
  • Taste of Summer: That bright lemon and sweet blueberry combo is just SO refreshing.
  • Crowd-Pleaser: Everyone goes crazy for this. It looks fancy, but it’s ridiculously simple to make.
  • Quick Prep: You can have it all assembled in about 20 minutes!

Gather Your Ingredients for Lemon Blueberry Icebox Cake

Alrighty, let’s get our mise en place sorted for this amazing lemon blueberry icebox cake! You’ll need one cup of heavy cream – and make sure it’s nice and cold, trust me on this! We also need about half a cup of powdered sugar, a quarter cup of fresh lemon juice, and a teaspoon of lemon zest to really make that flavor pop. Oh, and a little splash of vanilla extract, about half a teaspoon. For our layers, grab a package of graham crackers – a 14.4-ounce one should do the trick! And of course, one cup of fresh blueberries for that burst of berry goodness!

How to Prepare Your Easy Lemon Blueberry Icebox Cake Recipe

Okay, let’s get this party started! Making this easy lemon blueberry icebox cake recipe is honestly a breeze. It all comes down to a few simple steps, and before you know it, you’ll have a gorgeous, chilled dessert ready to go. Just follow along, and you’ll see just how simple it is!

Whipping the Lemon Cream

First things first, we need to whip up that dreamy lemon cream. Grab a big, chilled bowl and your electric mixer. Pour in that cold heavy cream, powdered sugar, fresh lemon juice, lemon zest, and don’t forget the vanilla! Now, beat it all together. Start on low, then crank it up. You’re looking for stiff peaks – that means when you lift the beaters, the cream stands straight up without flopping over. It should look fluffy and oh-so-inviting!

Layering the Icebox Cake

Now for the fun part – building this beautiful cake! Grab an 8×8 inch baking dish. Arrange a single layer of graham crackers right on the bottom. Don’t worry if there are little gaps, that’s totally fine! Spoon about a third of your glorious lemon cream over the crackers and spread it out evenly. Then, sprinkle about a third of your fresh blueberries on top. We’re going to repeat this whole process two more times – crackers, cream, blueberries. Make sure your last layer is a nice, smooth coating of that lemony cream.

Chilling and Finishing Touches

Alright, our layers are all set! Cover that dish tightly with plastic wrap or a lid. Now comes the hardest part: waiting! You need to pop this into the fridge for at least 4 hours. This is super important because it lets the graham crackers soften up and absorb some of that lovely cream, making it easy to slice. It also lets all those flavors meld together. Just before serving, sprinkle on the last of those beautiful blueberries as a final flourish!

Tips for the Best Lemon Blueberry Icebox Cake

Okay, so you want this lemon blueberry icebox cake to be absolutely perfect, right? I totally get it! My biggest tip is to really pay attention to chilling your cream. Make sure that heavy cream is super cold before you even think about whipping it – it makes all the difference in getting those lovely stiff peaks. Trust me, lukewarm cream just won’t cooperate!

When you’re layering, don’t pack the graham crackers down too hard. We want them to absorb that creamy goodness and soften up perfectly while it chills. And speaking of chilling, give it the full 4 hours, or even better, overnight if you can wait! This really lets everything meld together and makes for clean slices. Oh, and if you want a stronger lemon punch, don’t be shy with that zest – maybe add an extra half teaspoon!

Ingredient Notes and Substitutions for this Quick Icebox Cake

Alright, let’s chat a little about these ingredients for our quick icebox cake! Fresh blueberries are definitely my go-to here because they have that perfect little burst of sweetness and a slight tartness that complements the lemon so well. If you can’t find fresh ones, frozen blueberries work too, just make sure to thaw them and pat them gently dry before adding them to the layers. Some folks like to stir them right into the cream, which is yummy too!

Now, about those graham crackers – they give us that classic, comforting base. But if you want to switch it up, butter cookies or even vanilla wafers can be a fun alternative! They’ll give the cake a slightly different flavor profile, but still keep that delightful texture combo going.

Serving and Storing Your Lemon Blueberry Dessert

This lemon blueberry dessert is just begging to be served nice and cold! I like to let it sit out for just a minute or two after taking it out of the fridge before I slice into it. Sometimes, I’ll even add a few extra fresh blueberries right on top of each slice for a pretty presentation. It looks so elegant!

As for leftovers, just cover the dish tightly with plastic wrap or pop it into an airtight container. It’ll keep nicely in the refrigerator for about 2-3 days. The crackers might get a little softer with time, but honestly, that just makes it even easier to eat. And nope, you don’t want to reheat this one – it’s meant to be delightfully chilled!

Frequently Asked Questions about Lemon Blueberry Icebox Cake

Got questions about this delightful lemon blueberry icebox cake? I’ve got answers!

Can I make this ahead of time?

Oh, absolutely! In fact, I highly recommend it. This quick icebox cake actually gets better if you make it the day before you plan to serve it. That chilling time really lets the graham crackers soften up and absorb all that yummy lemon cream, making it perfectly sliceable and even more flavorful. It’s the best kind of make-ahead dessert!

What kind of blueberries are best for this recipe?

For this easy lemon blueberry icebox cake recipe, fresh blueberries are my first choice. They give you that lovely pop of bright flavor and a nice texture contrast. If fresh ones aren’t available, frozen blueberries work great too! Just make sure to thaw them completely and pat them very gently with a paper towel to get rid of excess moisture before layering them in. It just prevents things from getting too watery!

Yes, you totally can! While graham crackers give that classic icebox cake flavor, you can definitely get creative. Vanilla wafers or even shortbread cookies would be delicious substitutes in this no-bake summer cake. They’ll give the cake a slightly different but equally scrumptious flavor profile. Just make sure they’re sturdy enough for layering!

How do I ensure the whipped cream gets stiff peaks?

Getting those perfect stiff peaks for your cream layer is key! Make sure your heavy cream is super, super cold – right from the fridge. It also helps if your mixing bowl and beaters are chilled. Start whipping on a lower speed to break down the cream, then gradually increase to medium-high speed. Don’t over-whip, or you’ll end up with butter, but keep going until you can lift the beaters and the peaks stand straight up without drooping.

Nutritional Estimate for Your No-Bake Summer Cake

Just a little heads-up! The nutritional information for any no-bake summer cake like this lemon blueberry icebox cake is always going to be an estimate. Things like the specific brands you use, how much you might drizzle extra lemon juice, or even the exact size of your blueberries can change things up. So, please consider these numbers a general guide while you enjoy your delicious creation!

Share Your Lemon Blueberry Icebox Cake Creations

I absolutely LOVE seeing your baking adventures! If you make this lemon blueberry icebox cake, please, please, please share your pics with me! Tag me on social media or leave a comment below. I want to hear all about how it turned out and how much everyone loved it. Your feedback truly makes my day, and it helps others see how easy and delicious this cake is!

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Lemon Blueberry Icebox Cake

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A no-bake layered cake with graham crackers, lemon-infused whipped cream, and fresh blueberries. It’s a refreshing dessert perfect for warm weather.

  • Author: Cat
  • Prep Time: 20 min
  • Cook Time: 0 min
  • Total Time: 4 hr 20 min
  • Yield: 8 servings 1x
  • Category: Dessert
  • Method: No-Bake
  • Cuisine: American
  • Diet: Vegetarian

Ingredients

Scale
  • 1 cup heavy cream
  • 1/2 cup powdered sugar
  • 1/4 cup lemon juice
  • 1 teaspoon lemon zest
  • 1/2 teaspoon vanilla extract
  • 1 (14.4 ounce) package graham crackers
  • 1 cup fresh blueberries

Instructions

  1. In a large bowl, whip the heavy cream, powdered sugar, lemon juice, lemon zest, and vanilla extract until stiff peaks form.
  2. Arrange a single layer of graham crackers in the bottom of an 8×8 inch baking dish.
  3. Spread about one-third of the whipped cream mixture over the graham crackers.
  4. Sprinkle about one-third of the blueberries over the cream.
  5. Repeat the layers two more times, ending with a layer of whipped cream.
  6. Cover the dish and refrigerate for at least 4 hours, or until firm.
  7. Before serving, top with remaining blueberries.

Notes

  • For a stronger lemon flavor, add an extra teaspoon of lemon zest.
  • You can substitute lemon cookies for graham crackers for a different flavor profile.
  • Ensure the whipped cream is well chilled before whipping for best results.

Nutrition

  • Serving Size: 1 slice
  • Calories: 250
  • Sugar: 25g
  • Sodium: 150mg
  • Fat: 15g
  • Saturated Fat: 9g
  • Unsaturated Fat: 6g
  • Trans Fat: 0g
  • Carbohydrates: 28g
  • Fiber: 1g
  • Protein: 3g
  • Cholesterol: 40mg

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Catherine Valdès is the creator, recipe developer, and food photographer behind Unfold Recipes. With a rich heritage blending Spanish traditions and Californian sensibilities, she believes that every meal has a story. After leaving a successful career in public relations to pursue her passion, Catherine honed her skills in a professional culinary arts program. Her focus is on creating approachable yet elegant recipes that inspire confidence in the kitchen. She combines her expertise in recipe development with a love for wine pairing and effortless entertaining, showing her audience how to create beautiful, delicious meals to share with loved ones.

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