Banana Nutella Swirl Cake with Nutella Frosting

Why This Banana Nutella Swirl Cake with Nutella Frosting Works So Well

This Banana Nutella Swirl Cake with Nutella Frosting is the kind of dessert that disappears fast. The banana base stays moist thanks to Greek yogurt and ripe bananas, while the Nutella swirl adds pockets of chocolate-hazelnut goodness. Then you top it with a silky Nutella buttercream that takes it over the top. It’s easy enough for a weekday treat but fancy enough for a party.

3 Reasons You’ll Love This Easy Banana Cake

• It uses up brown bananas in the best way, the riper they are, the sweeter and more moist the cake turns out.
• The Nutella swirl and frosting give you double the chocolate-hazelnut flavor without extra work.
• You mix the batter in one bowl, so cleanup is quick.

Key Ingredients for the Best Banana Nutella Cake

• Nutella: Use the classic jarred Nutella for the swirl and frosting. Generic hazelnut spreads work, but they may be thinner or less sweet. Stick with the real thing for consistent results.
• Greek yogurt: Full-fat plain Greek yogurt adds moisture and a slight tang that balances the sweetness. You can use low-fat, but the cake may be less tender. Sour cream is a fine substitute.
• Ripe bananas: The darker the bananas, the better. They should be soft and speckled with brown. Mash them well with a fork, no lumps.

Kitchen Tools You’ll Need for This Cake

• 9×13-inch baking pan (metal or glass both work)
• Stand mixer or hand mixer for the frosting
• Toothpick or knife for swirling the Nutella
• Cooling rack

Tips for a Perfectly Moist Banana Cake

Don’t overmix the batter once you add the dry ingredients. Stir just until the flour disappears, or the cake can turn tough. For the Nutella swirl, drop spoonfuls over the batter and use a knife or toothpick to gently drag it through. A few figure-eight motions are enough, too much mixing will blend the Nutella in completely. Bake until a toothpick inserted in the center comes out clean, usually around 22 minutes in my oven. Let the cake cool completely before frosting, or the buttercream will melt into a puddle.

How to Get the Nutella Frosting Just Right

Start with softened butter and beat it with the Nutella until smooth before adding any sugar. This helps the frosting stay creamy. Add the powdered sugar a quarter cup at a time, beating on high after each addition. If the frosting seems too thick, add milk a teaspoon at a time until it reaches a spreadable consistency. The hazelnut extract is optional but really boosts that Nutella flavor, just a half teaspoon is enough. Don’t skip it if you have it on hand.

Easy Variations for This Banana Nutella Swirl Cake

If you don’t have Greek yogurt, plain sour cream works just as well, use the same amount. For a crunchier texture, fold a half cup of chopped toasted hazelnuts into the batter before swirling. You can also bake this as cupcakes: divide the batter among 12 lined muffin cups and reduce the baking time to 18-20 minutes. Want a dairy-free version? Swap the butter for a plant-based stick and use a dairy-free yogurt. The cake will still be moist.

Best Ways to Serve This Nutella Cake

I like to top each square with a few colorful sprinkles for a fun finish, but you can also add a dollop of whipped cream or a few fresh banana slices. A scoop of vanilla ice cream on the side turns it into a sundae. For a coffee break, serve it with a strong espresso or a cold glass of milk.

How to Store Leftover Banana Nutella Swirl Cake

Keep the cake in an airtight container in the refrigerator for up to 4 days. The frosting stays firm when chilled, and the banana flavor actually deepens overnight. Let slices sit at room temperature for about 15 minutes before eating if you prefer a softer texture.

Can You Freeze This Nutella Cake?

Yes, you can freeze the unfrosted cake for up to 3 months. Wrap the cooled cake tightly in plastic wrap, then a layer of foil. When you’re ready to serve, thaw it in the fridge overnight, then make the frosting fresh. If you freeze the frosted cake, the frosting may get a bit grainy after thawing, so I recommend freezing without it.

How to Reheat a Slice of Banana Cake

If you want a warm slice, microwave it for about 15 seconds. That softens the banana flavor and makes the Nutella swirl a little gooey. For a crisper edge, pop it in a 300°F oven for 5 minutes. Just don’t overheat or the frosting will melt.

Frequently Asked Questions About This Banana Nutella Cake