These white chocolate raspberry blondies earn a permanent spot in my weekly rotation because they take one bowl, one pan, and about fifty minutes from start to warm squares on the counter. The tang of fresh raspberries cuts right through the sweet white chocolate, so every bite tastes bright instead of cloying.
I keep the method plain on purpose: melt the butter, stir in the sugar and eggs by hand, fold in the flour, then scatter the berries and chocolate over the top. No mixer, no chilling, no fussy steps. The bars come out chewy in the middle with just a whisper of crackly top.
If you have only frozen raspberries, that works too, and I will tell you exactly how to keep them from turning the batter pink. Let us bake.
Why You'll Love This Recipe
About the Ingredients
1/2 cup (113g) unsalted butter, melted and slightly cooled
Melt it gently and let it cool for five minutes so it does not cook the eggs. Salted butter works in a pinch; just skip the added salt below.
1 cup (200g) packed light brown sugar
Brown sugar is what makes these bars chewy and moist. Dark brown sugar gives a deeper molasses flavor if that is what you have in the pantry.
1 large egg plus 1 egg yolk, at room temperature
The extra yolk adds richness and fudginess. If your eggs are cold, set them in a bowl of warm tap water for five minutes.
1 1/2 teaspoons vanilla extract
Real vanilla rounds out the white chocolate. Vanilla bean paste is a lovely swap at the same amount.
1 1/4 cups (156g) all-purpose flour
Spoon the flour into the cup and level it off so the bars stay tender. A 1:1 gluten-free baking blend substitutes cup for cup here.
1/2 teaspoon baking powder
Just a little lift keeps the bars from turning into bricks. Check the date on your can; old baking powder will not do its job.
1/4 teaspoon fine salt
Salt sharpens the sweetness of the white chocolate. If you used salted butter, leave this out.
3/4 cup (130g) white chocolate chips or chopped white chocolate
Chop a good bar for pools of melted chocolate, or use chips for neat studs. Look for real cocoa butter on the label for the best melt.
1 cup (125g) fresh raspberries
Pat them dry and handle them gently so they hold their shape. Frozen raspberries work unthawed; toss them in a teaspoon of flour first to stop the batter from streaking.
Tips & Tricks
- Do not overmix once the flour goes in. Stir just until the last dry streaks disappear, or the gluten develops and the bars turn bready instead of fudgy.
- Fold the raspberries in with a light hand at the very end, or press them on top of the batter. Crushing them early releases juice and gives you a pink, soggy middle.
- Pull the pan when the center still looks slightly underdone and the edges are set. Carryover heat finishes the job as the bars cool, which is the secret to a chewy texture.
- Let the blondies cool completely in the pan before slicing. Warm bars crumble at the cut; a full hour of patience gives you clean, bakery-style squares.
Pro Tips
Step-by-Step Instructions
1. Heat the oven and line the pan
Preheat the oven to 350°F (175°C) and line an 8-inch square pan with parchment, leaving an overhang on two sides. The overhang is your handle for lifting the slab out later.
2. Melt the butter
Melt the butter in a small saucepan over low heat or in a microwave in 20-second bursts, then pour it into a large bowl and let it cool for 5 minutes. Warm, not hot, butter keeps the eggs from scrambling.
3. Whisk in sugar and eggs
Whisk the brown sugar into the butter until smooth, then beat in the egg, yolk, and vanilla for about 30 seconds until glossy. The mixture should look thick and shiny, like wet sand that holds together.
4. Fold in the dry ingredients
Add the flour, baking powder, and salt and fold with a spatula just until no dry streaks remain, about 15 strokes. Stop the moment it comes together; a few lumps are fine.
5. Add the chocolate and berries
Fold in three-quarters of the white chocolate, then gently fold in the raspberries in two quick turns. Scrape the batter into the prepared pan and spread it evenly with the spatula.
6. Top and bake
Scatter the remaining white chocolate over the top, then bake at 350°F (175°C) for 32 to 36 minutes. The edges will be golden brown and pulling from the pan, the center will look just set, and a toothpick inserted two inches from the edge comes out with moist crumbs.
7. Cool completely
Set the pan on a wire rack and cool for at least 1 hour, until the pan feels barely warm to the touch. This rest is what sets the fudgy center.
8. Lift and slice
Use the parchment overhang to lift the slab onto a cutting board and cut into 16 squares with a long, sharp knife, wiping the blade between cuts. Serve at room temperature.
Delicious Variations
Raspberry Lemon
Add the zest of one lemon to the sugar and butter for a citrus lift that plays beautifully with the berries.
Dark Chocolate Swap
Use dark chocolate chunks instead of white for a raspberry-brownie hybrid that is less sweet.
Toasted Almond Crunch
Scatter 1/3 cup sliced almonds over the top before baking for a nutty, golden crust.
How to Store White Chocolate Raspberry Blondies
Refrigerator
Store in an airtight container in the fridge for up to 5 days; the berries stay fresher and the bars firm up nicely.
Freezer
Wrap individual squares tightly in plastic and freeze for up to 2 months; thaw overnight in the fridge.
Reheating
Warm a single square in the microwave for 10 to 15 seconds, just enough to soften the chocolate without drying the crumb.
Frequently Asked Questions
Q: Can I use frozen raspberries in blondies?
Yes, frozen raspberries work well if you use them straight from the freezer without thawing. Toss them in a teaspoon of flour first and fold them in at the last second so the batter does not turn pink and wet.
Q: Why did my blondies turn out cakey instead of fudgy?
Overmixing the flour and overbaking are the two usual culprits. Fold just until the flour disappears and pull the pan when the center still looks a touch soft, since the bars set as they cool.
Q: How do I know when white chocolate blondies are done?
The edges should be golden brown and set while the center looks just barely done, around 32 to 36 minutes at 350°F (175°C). A toothpick two inches from the edge should come out with moist crumbs, not wet batter.
Q: Can I make these blondies ahead of time?
Yes, bake them a day ahead and keep them covered at room temperature or in the fridge. They actually slice more cleanly on day two, and they hold up for about five days stored airtight.
Q: Can I double this recipe for a 9×13 pan?
Yes, double every ingredient and bake in a 9×13-inch pan, adding about 5 to 8 minutes to the bake time. Watch the edges for deep golden brown and check the center with a toothpick.
Bake a pan this weekend and watch how fast sixteen squares disappear. If the middle looks a little soft when you pull it, trust the rest and slice after an hour. Cook it your way, and tell me how it went.
White Chocolate Raspberry Blondies
White Chocolate Raspberry Blondies are chewy, buttery bars studded with sweet white chocolate and tart raspberries for a bakery-style treat at home.
🧂 Ingredients
- 1/2 cup (113g) unsalted butter, melted and slightly cooled
- 1 cup (200g) packed light brown sugar
- 1 large egg plus 1 egg yolk, at room temperature
- 1 1/2 teaspoons vanilla extract
- 1 1/4 cups (156g) all-purpose flour
- 1/2 teaspoon baking powder
- 1/4 teaspoon fine salt
- 3/4 cup (130g) white chocolate chips or chopped white chocolate
- 1 cup (125g) fresh raspberries
📋 Instructions
- 1Heat the oven and line the pan — Preheat the oven to 350°F (175°C) and line an 8-inch square pan with parchment, leaving an overhang on two sides. The overhang is your handle for lifting the slab out later.
- 2Melt the butter — Melt the butter in a small saucepan over low heat or in a microwave in 20-second bursts, then pour it into a large bowl and let it cool for 5 minutes. Warm, not hot, butter keeps the eggs from scrambling.
- 3Whisk in sugar and eggs — Whisk the brown sugar into the butter until smooth, then beat in the egg, yolk, and vanilla for about 30 seconds until glossy. The mixture should look thick and shiny, like wet sand that holds together.
- 4Fold in the dry ingredients — Add the flour, baking powder, and salt and fold with a spatula just until no dry streaks remain, about 15 strokes. Stop the moment it comes together; a few lumps are fine.
- 5Add the chocolate and berries — Fold in three-quarters of the white chocolate, then gently fold in the raspberries in two quick turns. Scrape the batter into the prepared pan and spread it evenly with the spatula.
- 6Top and bake — Scatter the remaining white chocolate over the top, then bake at 350°F (175°C) for 32 to 36 minutes. The edges will be golden brown and pulling from the pan, the center will look just set, and a toothpick inserted two inches from the edge comes out with moist crumbs.
- 7Cool completely — Set the pan on a wire rack and cool for at least 1 hour, until the pan feels barely warm to the touch. This rest is what sets the fudgy center.
- 8Lift and slice — Use the parchment overhang to lift the slab onto a cutting board and cut into 16 squares with a long, sharp knife, wiping the blade between cuts. Serve at room temperature.
Mireille writes about weeknight cooking built around what is already in the pantry, with a focus on Haitian and Caribbean home dishes made simpler for busy kitchens. She favors short ingredient lists, honest substitutions, and recipes that forgive a missed step. Her angle is feeding a household well without a second trip to the store.
