Banana Split Dump Cake

The kitchen smelled like my grandmother's house the first Sunday I attempted this dump cake. I'd seen similar recipes floating around potluck circles, but something about the banana split twist called to me. My husband walked in midway through assembly and said, 'You're putting ice cream toppings in a cake now?' By the time it emerged bubbling from the oven, even the skeptics were hovering around the counter with spoons.

I made this for my daughter's birthday last summer when humidity made any frosting attempt futile. The birthday girl took one bite and declared it better than the fancy bakery cake we'd ordered the year before. Now it's become the default celebration dessert because somehow, fruit and cake mix feel like a party.

Ingredients

• 2 large ripe bananas, sliced: The sweeter and spottier they are, the better they'll caramelize in the oven
• 1 can (540 ml/19 oz) crushed pineapple, drained: Really press out that liquid or your bottom layer gets swampy
• 1 cup maraschino cherries, halved: These provide that classic neon pop and tart sweetness
• 1/2 cup mini chocolate chips: Regular chips work but minis distribute more evenly through the layers
• 1 box (about 425 g/15 oz) yellow cake mix: No need to prepare the batter, just dump it straight from the box
• 1/2 cup (115 g) unsalted butter, melted: The magic that transforms dry mix into golden crust
• 1 cup chopped walnuts or pecans: Optional but welcome texture contrast against the soft fruit
• Whipped cream and chocolate syrup: Because some of us really want that full sundae experience

Instructions

Prep your baking canvas:

Set your oven to 175°C (350°F) and grease a 9x13-inch dish like your life depends on it—this stuff sticks.

Build the foundation:

Arrange banana slices in an even layer across the bottom, then spread the drained pineapple on top like you're tucking them in.

Scatter the jewels:

Sprinkle those halved cherries and chocolate chips evenly across the pineapple, tossing nuts over now if you're using them.

The controversial part:

Dump the dry cake mix over everything and smooth it gently with your hand until the fruit is completely hidden.

Golden transformation:

Drizzle melted butter slowly back and forth across the surface, then bake 40–45 minutes until bubbling and gloriously golden.

The waiting game:

Let it cool about 10 minutes—hot fruit lava is no joke—then serve with all the toppings your heart desires.

Pin It

My neighbor brought over a container of this after her daughter made it, and I ate half of it standing at my counter before remembering to save some for my family. Some desserts taste better when someone else makes them, but this one feels special no matter whose kitchen produced it.

Make It Your Own

Swapping chocolate cake mix for yellow creates an even richer experience, though you lose that classic banana split color contrast. I've tried adding shredded coconut between layers and honestly, it's been a game changer for texture.

The Scoop Situation

Warm cake meets cold vanilla ice cream in a way that feels almost unfair to everything else in the dessert universe. The trick is scooping the ice cream right before serving so it melts just enough into those crevices.

Storage Wisdom

This keeps surprisingly well in the refrigerator for up to three days, though the bananas will brown and soften. Reheat individual portions for about 20 seconds to recapture that fresh-baked magic.

• Square containers work better than rectangular for leftovers
• The crust will soften but the flavors meld overnight
• Room temperature serving requires about 30 minutes on the counter

Pin It

There's something about this cake that makes people linger around the table a little longer than usual.

Recipe Questions & Answers

→ Can I make this dump cake ahead of time?

Yes, you can assemble the layers up to 24 hours in advance and refrigerate. Add the melted butter just before baking. Leftovers reheat well in the microwave for about 30 seconds.

→ What's the best way to serve this dessert?

Serve warm for the gooeyest texture. Top with whipped cream, chocolate syrup, and even a scoop of vanilla ice cream. The contrast of warm fruit filling against cold toppings is irresistible.

→ Can I substitute the yellow cake mix?

Chocolate cake mix works beautifully for an even richer flavor. White cake mix creates a lighter version. For gluten-free needs, use a certified GF cake blend and verify all other ingredients are safe.

→ How do I know when it's done baking?

The top should be golden brown and you'll see the fruit filling bubbling up around the edges. The cake layer should feel set but still slightly soft to the touch—about 40-45 minutes at 350°F.

→ Can I make this without cherries?

Absolutely. Replace cherries with additional banana slices, more pineapple, or try strawberry pieces. The beauty lies in mixing whatever fruits your family enjoys most.