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The Ultimate No-Bake Banana Split Ice Cream Sandwich Cake: A Summer Dream Come True!
Get ready to redefine your summer dessert game with this incredible Banana Split Ice Cream Sandwich Cake! This is not just any ice cream cake; it’s a vibrant, easy-to-make, no-bake masterpiece that brings together all the beloved flavors of a classic banana split in a fun, elevated format. Imagine layers of rich ice cream sandwiches, creamy whipped topping, luscious caramel and hot fudge sauces, sweet bananas, and delightful cherry accents – all coming together in under 15 minutes! Perfect for cooling down on a hot day, this impressive yet simple dessert is guaranteed to be a hit at any gathering.

The Impossible Choice: Pizza or Ice Cream?
The other day, I was posed with a truly agonizing hypothetical: if I absolutely *had* to choose, would I rather give up pizza or ice cream? My immediate, gut reaction was to declare it a tie, a response that was quickly (and rather dramatically) deemed “against the rules” and a destroyer of the game’s spirit. My eyes may or may not have rolled so hard they almost fell out of my head.
What should have been a quick, lighthearted exchange turned into a prolonged internal debate. I found myself meticulously weighing the pros and cons of each culinary titan. On one hand, the comforting embrace of a cheesy, savory slice of pizza, perhaps something as adventurous as Apple Butter & Ham Pizza, promises a symphony of flavors and textures that few dishes can rival. It’s a go-to for celebrations, lazy nights in, and everything in between.
Then there’s ice cream – the ultimate creamy, cold delight. From a simple scoop to an elaborate sundae, ice cream offers pure, unadulterated joy. How could one possibly choose between the vibrant refreshment of a classic banana split or the decadent layers of Mocha Coconut Ice Cream Sandwiches? The thought of a world without either felt like a cruel joke, a void too vast to comprehend. Ultimately, I came to a firm conclusion: I refuse to play such a terrible game. There are some favorites you just can’t pick between, like beloved children. Thankfully, with desserts like this Banana Split Ice Cream Sandwich Cake existing, I don’t have to!

This dessert isn’t just a treat; it’s a testament to the fact that you can have it all. It takes all the delightful elements of an old-school banana split – the sweet bananas, rich sauces, and fluffy cream – and elevates them by transforming them into an incredible, easy-to-slice ice cream cake, thanks to one very special ingredient.
The Star of the Show: FatBoy Ice Cream Sandwiches
Let’s talk about the true hero of this recipe, the foundation upon which this delicious tower is built: FatBoy Ice Cream Sandwiches. And boy, oh boy, do these live up to their name and reputation! Since 1925, FatBoy has been synonymous with quality, delivering authentic, real ice cream generously sandwiched between two soft, delectable wafers. They are the quintessential All-American dessert, embodying comfort and indulgence with every bite.
What sets FatBoy Ice Cream Sandwiches apart is their impressive size and unwavering commitment to flavor. These aren’t your average, flimsy ice cream sandwiches. FatBoy delivers a *husky* treat, tall and thick, packed with a substantial scoop of rich ice cream. As their motto proudly declares (and I wholeheartedly concur), “…the bigger it is, the more smiles it gives.” And smiles, my friends, are exactly what these bring.

For me, there’s an undeniable wave of nostalgia that washes over me with every FatBoy. It immediately transports me back to carefree childhood summers, days spent running through garden sprinklers, laughter echoing in the warm air, and the simple joy of an ice cream melting faster than you could eat it. Ice cream was a constant summer companion, but banana splits were a rare and treasured event, a special treat that felt truly decadent. When I rediscovered the pure delight of FatBoy Ice Cream Sandwiches, I knew instantly that they were the perfect vehicle to recreate that special banana split magic in an exciting new form.
Crafting Your Perfect Banana Split Ice Cream Sandwich Cake
The beauty of this no-bake ice cream cake lies in its simplicity and the delightful combination of classic banana split elements. We start with a foundational layer of six luscious FatBoy Strawberry Ice Cream Sandwiches, their fruity sweetness providing a wonderful base. Next comes a generous spread of warm hot fudge, followed by perfectly sliced ripe bananas. A drizzle of rich caramel sauce then cascades over the bananas, complemented by a sprinkle of crunchy toffee bits and mini chocolate chips, adding delightful textural contrast. (If you prefer, chopped nuts would also be a fantastic addition here!).
A fluffy layer of homemade whipped cream creates a soft, ethereal cloud over these delicious fillings before the final six FatBoy Vanilla Ice Cream Sandwiches are carefully placed on top. The entire cake is then enrobed in the remaining whipped cream, creating a smooth, inviting canvas, ready for more indulgent toppings. A final flourish of caramel drizzle and a scattering of toffee bits and mini chocolate chips complete the picture. And, of course, no banana split is truly complete without that iconic, vibrant red maraschino cherry! Each slice is crowned with one, along with extra drizzles and toppings, making every bite an amazing experience.

Quick Assembly & Serving Tips for Your No-Bake Delight
One of the most appealing aspects of this Banana Split Ice Cream Sandwich Cake is how incredibly fast it comes together. Thanks to the convenience and quality of FatBoy Ice Cream Sandwiches, you can assemble this entire showstopper in under 15 minutes! That’s right, a truly impressive dessert with minimal effort and no oven required – making it the perfect stress-free option for entertaining or simply treating yourself.
For the absolute best texture and an authentic banana split experience, I highly recommend assembling this cake about 15-20 minutes before you plan to serve it. The slight softening of the ice cream sandwiches, the tender bananas, and the slightly warm, gooey sauces create an irresistible combination. If it seems to be melting too quickly, a quick 5-10 minute chill in the freezer should firm it up just enough. I personally adore the contrast of the soft ice cream, pliable bananas, and fluid sauces – it’s pure bliss.
However, if you need to make this cake ahead of time, it freezes beautifully. Just be aware that if you opt to freeze it for an extended period, the bananas in the center and the outer layer of whipped cream will firm up considerably, resulting in a different (though still delicious!) texture. When serving a frozen cake, allow it to sit at room temperature for 10-15 minutes before slicing to make it easier to cut and enjoy. Whether served immediately or chilled, this dessert ensures your summer dreams are perfectly complete.

Banana Split Ice Cream Sandwich Cake Recipe
Prep Time: 20 mins
Total Time: 20 mins
This Banana Split Ice Cream Sandwich Cake is a fun twist on the classic banana split dessert. Ice Cream Sandwiches, bananas, caramel sauce, hot fudge, whipped cream, and cherries make up this super pretty ice cream dessert!
Ingredients
Ice Cream Sandwich Cake
- 6 FatBoy Vanilla Ice Cream Sandwiches
- 6 FatBoy Strawberry Ice Cream Sandwiches
- 2 medium bananas, sliced (about 24 thick slices)
- 1/4-1/2 cup caramel sauce, use as much or as little as you desire
- 1/4-1/2 cup hot fudge sauce, use as much or as little as you desire
- 1/3 cup toffee bits
- 1/3 cup mini chocolate chips
- Feel free to add in any other mix-ins you like, such as nuts, candies, etc.
Whipped Cream (or substitute frozen whipped topping, if you prefer)
- 1 1/2 cups heavy whipping cream
- 2 Tbsp powdered sugar
- 1 tsp vanilla extract
Toppings (Optional)
- Maraschino cherries
- Caramel sauce
- Fudge sauce
- Toffee bits, mini chocolate chips, nuts, etc.
- Extra banana slices
Instructions
- In a mixing bowl with a standing mixer or hand mixer, whip heavy whipping cream until it begins to thicken. Add in powdered sugar and vanilla extract, and continue to whip until it has thickened to the consistency of whipped cream.
- In an 8×11 baking dish*, place 6 FatBoy Strawberry Ice Cream Sandwiches side by side (there will be a little bit of extra room around the outside edge of the baking dish).
- Spread hot fudge over the tops of the sandwiches (it’s okay if it’s a little thick in places).
- Place sliced bananas on top (I did 4 slices per sandwich—see pictures above for details).
- Drizzle caramel sauce over the top of the bananas, and sprinkle toffee bits and chocolate chips on top.
- Spread about 1 cup of whipped cream over the tops of the bananas.
- Place the remaining 6 FatBoy Vanilla Ice Cream Sandwiches on top. Spread remaining whipped cream over the top and sides of the cake. Sprinkle with toffee bits, mini chocolate chips, etc. And drizzle with extra caramel sauce, if desired.
- Serve immediately, or chill in the freezer until ready to serve (see my note above in the post about assembling/serving this cake).
- When serving, if desired, add maraschino cherries, extra caramel and hot fudge, and/or any other toppings.
Notes
*You can use a different sized baking dish if you desire. In this particular baking dish, the ice cream sandwiches will not fit flush against the sides of the dish, making it easier to frost with whipped cream. You could even assemble and serve this cake on a cake stand; however, I liked the baking dish, as the sides helped to contain anything that began to melt.
The nutrition facts provided are calculated using a third-party tool and are estimates only. Actual nutritional content may vary based on the ingredients and brands you use, as well as portion sizes. For accurate results, please consult a registered dietitian or nutritionist.
Course: Dessert
Cuisine: American
Make sure to tag me on Instagram and leave a rating below and let me know how it turned out!

Find Your FatBoy Fun!
Ready to create your own amazing Banana Split Ice Cream Sandwich Cake? You’ll be thrilled to know that FatBoy Ice Cream Sandwiches are widely available at most grocery retailers, including popular stores like Sam’s Club. Don’t wait to grab these iconic treats – you can easily find their locations by checking their website!
FatBoy is renowned not just for their generous size, but also for delivering an incredible load of flavor within each “fat” package. Their range of varieties means you can get creative with this recipe. Feel free to experiment by swapping out the strawberry and vanilla sandwiches for other exciting FatBoy flavors that catch your eye! Plus, be sure to visit their website for more delicious recipe inspirations, exciting promotions, and fun ways to enjoy their products. Or, if you’re like me, sometimes the best way to enjoy a FatBoy Ice Cream Sandwich is simply on its own – a perfect “you deserve it” indulgence for any time of day! Trust me, your taste buds will thank you.
