Nutella Swirl Blondies

If you're looking for the perfect fusion of gooey, buttery blondies and the rich, chocolate-hazelnut decadence of Nutella, these Nutella Swirl Blondies are your new go-to treat. Made with a classic blondie base—think brown sugar, vanilla, and a soft, chewy texture—they're already packed with flavor before the Nutella even hits the batter. But what really sets them apart is the generous swirl of Nutella throughout each bar, creating a marbled effect that's as beautiful as it is delicious.

The blondies bake up with crisp, golden edges and a soft, slightly fudgy center, making them ideal for dessert, an indulgent snack, or even as a sweet addition to a brunch table. Each bite gives you the perfect mix of caramel-like richness and nutty chocolate notes. Best of all, they’re quick to whip up in a single bowl, no mixer required—just swirl, bake, and enjoy.

I don’t know about anyone else, but I absolutely love Nutella. I love the many ways it can be used, and these Nutella swirl blondies are one of my favorite ways to use it. What I love most about making these blondies is that you can make them in one bowl if you want, which saves a lot on the cleanup.

Why Is Nutella So Good?

1. Perfect Flavor Combo: Nutella blends rich cocoa with roasted hazelnuts, creating a creamy, nutty-chocolate flavor that’s both comforting and indulgent. It’s sweet, but not overwhelmingly so, and has just enough salt to keep it balanced.

2. Ultra-Creamy Texture: One of Nutella’s most appealing traits is its smooth, spreadable consistency. It melts slightly on warm toast, swirls beautifully into batters, and feels luxurious on the tongue.

3. Aromatic Hazelnuts: Ferrero uses specially selected hazelnuts that are roasted to enhance their deep, buttery aroma. Hazelnuts give Nutella its signature flavor and set it apart from plain chocolate spreads.

4. Touch of Vanilla: There’s a hint of vanilla flavoring that adds warmth and enhances the overall sweetness without being overpowering.

5. Nostalgic Factor: For many people, Nutella is tied to childhood memories—like spreading it on toast before school (a staple breakfast of mine), dipping fruit into it, or sneaking a spoonful straight from the jar. That emotional connection makes it taste even better.

6. Versatility: It’s a one-jar wonder. You can spread it, swirl it, bake with it, or eat it by the spoonful. It works with everything from fruit and bread to desserts and even pancakes.

How to Store Nutella Swirl Blondies

To keep your Nutella Swirl Blondies fresh and chewy, store them in an airtight container at room temperature for up to 4 days. If you want them to stay extra soft, you can add a slice of bread to the container—the moisture from the bread helps prevent the blondies from drying out.

For longer storage, these blondies freeze beautifully. Wrap each bar individually in plastic wrap, then place them in a freezer-safe zip-loc bag or container. They’ll keep well in the freezer for up to 2 months. When you're ready to enjoy, just let them thaw at room temperature or give them a quick 10–15 seconds in the microwave for that fresh-from-the-oven feel.

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I love making blondies when I need a quick pick-me-up, and these Nutella swirl blondies did not disappoint. Leave a comment below if you love these blondies too! 😊

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Nutella Swirl Blondies

Yield: 16

Author: Jaegar Desjardin

Prep time: 15 MinCook time: 30 MinTotal time: 45 Min

These Nutella Swirl Blondies are rich, buttery bars with a fudgy center and irresistible ribbons of creamy hazelnut spread in every bite. Perfectly chewy and indulgent, they strike the ideal balance between sweet simplicity and decadent flavor.

Ingredients

• ½ cup unsalted butter (melted)
• 1 cup brown sugar
• 2 eggs (room temperature)
• 1 tbsp vanilla extract
• 1 cup of all-purpose flour
• ¼ tsp of baking powder
• ½ tsp salt
• 1/2 cup mini chocolate chips
• 1/2 cup Nutella
• Sprinkle of coarse salt on top (optional)

Instructions

1. Preheat the oven to 350 degrees and line a 9x9 pan with parchment paper.
2. Melt the ½ cup of butter and allow it to cool slightly.
3. In a separate bowl, add the melted butter and brown sugar to a mixing bowl and mix with a spatula until combined.
4. Add the eggs and vanilla extract, and mix until combined.
5. Use a spatula to scrape down the sides and add the flour, baking powder, and salt. Fold the ingredients together until there are no clumps of flour without overmixing.
6. Add the mini chocolate chips and mix until just combined. Then transfer to your baking pan and scoop dollops of Nutella throughout the mixture. Swirl the Nutella into the blondie mixture with a butter knife or spoon.
7. Bake for 30-35 minutes or until the edges are golden brown.
8. Allow to cool and enjoy!

Equipment

1. 9x9 baking pan
2. Parchment paper
3. Wire rack
4. Spatula
5. Bowls