Layers of Love: Tiramisu Dessert Bars With Espresso Blondie Magic
Imagine biting into a soft, chewy blondie infused with rich espresso and deep notes of brown sugar. Now picture it topped with a silky mascarpone cream, dusted in cocoa, evoking the classic charm of tiramisu in every luxurious layer. These tiramisu dessert bars are the kind of treat that steals the show at gatherings, yet feel like an indulgent secret when enjoyed solo with a cozy cup of coffee.
They’re sweet but not too sweet, bold yet delicate — a harmonious blend of flavors and textures that speaks to both elegance and comfort. Whether you’re making them for a weekend bake or a special dessert platter, this modern take on tiramisu is bound to be remembered.
“Food is symbolic of love when words are inadequate.” – Alan D. Wolfelt

Why You’ll Love This Recipe
- Combines the classic flavor of tiramisu with the ease of dessert bars
- The brown sugar espresso blondie base adds rich, caramel-like depth
- No soaking required — the cream layer is smooth and set, not runny
- Ideal make-ahead dessert for gatherings or quiet moments
- Impressive-looking but surprisingly easy to make
“Cooking is love made visible.”
Ingredients: A Perfect Pairing for Tiramisu Dessert Bars
Makes 16 bars
For the Espresso Blondie Base
- 1 cup unsalted butter, melted
- 1 ½ cups light brown sugar, packed
- 2 large eggs
- 1 tablespoon instant espresso powder
- 1 teaspoon vanilla extract
- 1 ¾ cups all-purpose flour
- ½ teaspoon baking powder
- ½ teaspoon salt
For the Mascarpone Cream Topping
- 8 ounces mascarpone cheese, room temperature
- ½ cup heavy cream
- â…“ cup powdered sugar
- 1 teaspoon vanilla extract
To Finish
- 1 tablespoon unsweetened cocoa powder, for dusting
Equipment Needed
- 8×8 or 9×9-inch square baking pan
- Parchment paper
- Mixing bowls (medium and large)
- Electric hand mixer or stand mixer
- Rubber spatula
- Offset spatula or spoon for spreading
- Fine mesh sieve (for dusting cocoa)

Step-by-Step Guide to Irresistible Tiramisu Dessert Bars
Step 1: Prepare the Pan and Preheat
Line your square baking pan with parchment paper, leaving some overhang on the sides for easy removal. Preheat your oven to 350°F (175°C).
Tip:
Use metal clips to hold the parchment edges down while you spread the batter — it keeps things neat and stress-free.
Step 2: Make the Blondie Batter
In a large bowl, whisk the melted butter and brown sugar until glossy. Add in the eggs, espresso powder, and vanilla extract. Stir until smooth.
Tip:
Whisk vigorously to help the sugar dissolve slightly, creating a smoother blondie texture.
Step 3: Add the Dry Ingredients
Sift in the flour, baking powder, and salt. Gently fold until just combined — do not overmix.
Tip:
Stop mixing as soon as there are no visible streaks of flour to keep your blondies soft, not cakey.
Step 4: Bake the Blondie Base
Spread the batter evenly into the prepared pan. Bake for 22–25 minutes, or until the edges are golden and a toothpick inserted in the center comes out with a few moist crumbs.
Tip:
Slight underbaking keeps the center chewy — just don’t wait for a completely clean toothpick.
“Imagine the warm scent of brown sugar and espresso wafting from your oven — that’s the beginning of magic.”
Step 5: Cool Completely
Let the blondie base cool completely in the pan before topping. You can place it in the fridge to speed things up.
Tip:
Chilling helps the mascarpone layer spread evenly without melting into the blondie.
Step 6: Whip the Mascarpone Cream
In a medium bowl, whip the mascarpone, cream, powdered sugar, and vanilla extract until thick and spreadable (about 2–3 minutes).
Tip:
Don’t overwhip! You want it firm but still luscious — like soft peaks of joy.
Step 7: Assemble and Chill
Spread the mascarpone cream over the cooled blondie base. Smooth with an offset spatula and chill for at least 1 hour to set.
Tip:
For clean cuts later, refrigerate overnight — it’s worth the wait.
Step 8: Dust and Slice
Just before serving, dust the top generously with unsweetened cocoa powder using a fine mesh sieve. Slice into 16 bars.
Tip:
Wipe the knife clean between cuts for beautiful, defined layers.
“Perfection is achieved not when there is nothing more to add, but when there is nothing left to take away.” – Antoine de Saint-Exupéry
Time Needed for Tiramisu Dessert Bars
- Prep Time: 15 minutes
- Bake Time: 25 minutes
- Chill Time: 1–2 hours (or overnight for best results)
- Total Time: About 2 hours, 15 minutes

Pro Tips for the Best Tiramisu Dessert Bars
- Use room temperature mascarpone to prevent clumps in your cream layer.
- A metal baking pan gives more even browning than glass.
- For a more intense coffee flavor, add an extra ½ tablespoon of espresso powder.
- Add a tablespoon of Kahlúa or coffee liqueur to the blondie base for grown-up flair.
- Imagine this: the creamy top melting slightly into the chewy base with each bite — bliss.
- Keep your cocoa dusting light and even for the most elegant finish.
- For a café-style touch, serve bars in individual parchment sleeves.
- Store bars chilled and slice just before serving to maintain structure.
“Good food is the foundation of genuine happiness.” – Auguste Escoffier
Creative Variations: Tiramisu Bars With a Twist
Chocolate Chip Tiramisu Bars
Fold ½ cup mini chocolate chips into the blondie batter for a double indulgence.
Tip:
Mini chips melt into pools of chocolatey richness — perfect with the creamy top.
Mocha Tiramisu Bars
Add 1 tablespoon of cocoa powder to the blondie base for a mocha flavor profile.
Tip:
Pair with a dark roast brew for the ultimate coffee-chocolate experience.
Boozy Tiramisu Bars
Mix 1 tablespoon of dark rum or coffee liqueur into the mascarpone layer.
Tip:
Let them chill overnight to mellow the alcohol and enhance flavor.
Nutty Tiramisu Bars
Add ½ cup toasted chopped hazelnuts or walnuts to the blondie layer.
Tip:
Nuts bring a satisfying crunch and warmth to every bite.
Tiramisu Cheesecake Bars
Swap half the mascarpone with cream cheese for a tangier topping.
Tip:
This version holds up beautifully at room temp for longer.
Strawberry Tiramisu Bars
Add a thin layer of macerated strawberries between the blondie and cream layers.
Tip:
Use firm, ripe strawberries and drain well to avoid sogginess.
Vegan Tiramisu Bars
Use vegan butter, egg replacer, and a coconut-based cream cheese alternative.
Tip:
Chill longer to ensure the plant-based cream sets properly.
“Creativity is nothing but a mind set free.” – Torrie T. Asai
Serving Suggestions
Here’s how to complete your moment with these luscious tiramisu dessert bars:
- Serve with a dusting of shaved dark chocolate for extra elegance
- Pair with espresso, cappuccino, or cold brew for a café-style finish
- Add a dollop of whipped cream and a coffee bean on top for flair
- Plate with a drizzle of coffee syrup or chocolate sauce
- Offer on a dessert platter alongside berries or biscotti
Storage and Reheating
These bars are fridge-friendly and perfect for making ahead.
- Refrigeration: Store in an airtight container for up to 4–5 days.
- Freezing: Wrap tightly and freeze up to 1 month. Thaw overnight in the fridge.
- Reheating: Not needed — these bars are best served chilled.
Tip:
Keep the cocoa powder dusting for just before serving to preserve its fresh appearance.
Common Mistakes to Avoid
Overbaking the Blondie Layer
Overbaking dries out the blondie and ruins its chewy texture.
Tip:
Check early and aim for a few moist crumbs on the toothpick.
Using Cold Mascarpone
Cold mascarpone doesn’t whip properly and can make the topping grainy.
Tip:
Let it sit at room temp for at least 30 minutes before whipping.
Skipping the Chill Time
Cutting too early causes the cream to smear and the layers to collapse.
Tip:
Refrigerate at least 1 hour — overnight is ideal for clean cuts.
Not Sifting the Cocoa
Dumping cocoa directly on top makes it clumpy and uneven.
Tip:
Use a fine sieve for a delicate dusting.
Overmixing the Batter
Overmixing develops gluten and makes blondies cakey instead of chewy.
Tip:
Fold just until combined — no streaks, no extra stirs.

FAQs
Can I Use Cream Cheese Instead of Mascarpone?
Yes, but it will have a tangier flavor — delicious, just different.
Tip:
Mix cream cheese with a bit of heavy cream to match mascarpone’s softness.
How Do I Make These Gluten-Free?
Use a 1:1 gluten-free flour blend — they hold up beautifully.
Tip:
Let the blondie base cool completely before topping to help it firm up.
Can I Add Coffee Soaking Syrup?
You can, but it may make the bars soggy. Stick to espresso in the batter for flavor.
Tip:
If using syrup, brush lightly and reduce other liquid slightly.
How Long Will These Bars Last?
Stored in the fridge, they stay fresh for up to 5 days.
Tip:
Wrap tightly to avoid fridge odors and moisture.
Can I Make Them Ahead?
Absolutely — they’re even better the next day.
Tip:
Prepare and chill overnight, then dust with cocoa just before slicing.
What Type of Espresso Powder Works Best?
Instant espresso or very finely ground coffee works well.
Tip:
Avoid brewed coffee — it’s too wet and weakens the batter.
Can I Use White Sugar Instead of Brown?
Technically yes, but you’ll lose the rich, caramel notes.
Tip:
Stick with brown sugar for a deeper, more tiramisu-like base.

The Sweet Satisfaction of Tiramisu Dessert Bars
These tiramisu dessert bars are everything you love about the classic Italian dessert — creamy, bold, and coffee-kissed — but delivered in a hand-held, party-ready form. They’re easy enough for weeknight cravings and elegant enough for dinner parties.
So go ahead, dust off that cocoa, and let yourself indulge in a bar (or two). The layers of love are calling.

Tiramisu Dessert Bars With Espresso Blondie Base
Equipment
- 8×8 or 9×9-inch square baking pan
- Parchment paper
- Mixing bowls (medium and large)
- Electric hand mixer or stand mixer
- Rubber spatula
- Offset spatula or spoon
- Fine-mesh sieve
Ingredients
For the Espresso Blondie Base:
- 1 cup unsalted butter melted
- 1 ½ cups light brown sugar packed
- 2 large eggs
- 1 tablespoon instant espresso powder
- 1 teaspoon vanilla extract
- 1 ¾ cups all-purpose flour
- ½ teaspoon baking powder
- ½ teaspoon salt
For the Mascarpone Cream Topping:
- 8 ounces mascarpone cheese room temperature
- ½ cup heavy cream
- â…“ cup powdered sugar
- 1 teaspoon vanilla extract
- To Finish:
- 1 tablespoon unsweetened cocoa powder for dusting
Instructions
Prepare the Pan and Preheat
- Line pan with parchment and preheat oven to 350°F (175°C).
- Tip: Use metal clips to secure the parchment.
Make the Blondie Batter
- Whisk melted butter and brown sugar until glossy. Add eggs, espresso powder, and vanilla. Mix well.
Add Dry Ingredients
- Sift in flour, baking powder, and salt. Gently fold until just combined.
- Tip: Avoid overmixing for soft, chewy bars.
Bake
- Spread into pan and bake 22–25 minutes. Edges should be golden; toothpick comes out with moist crumbs.
Cool
- Cool completely in the pan. Refrigerate to speed up.
- Tip: A cool base ensures the topping sets properly.
Whip the Cream Layer
- Beat mascarpone, cream, powdered sugar, and vanilla until thick but soft.
- Tip: Don’t overwhip — soft peaks are ideal.
Assemble
- Spread topping over blondie. Smooth the surface. Chill 1–2 hours or overnight.
Finish
- Dust with cocoa powder just before slicing into bars.
- Tip: Wipe knife clean between cuts for sharp layers.
Notes
- Flavor Enhancer: Intensify your chocolate recipes with this premium espresso powder, adding depth and richness to browni…
- Versatile Usage: Ideal for various baking applications, including frostings and sauces. Add 1/2 to 2 teaspoons to chocol…
- Premium Quality: Made by King Arthur, a trusted name in baking since 1790. This instant espresso powder for baking is ca…
This post contains affiliate links. If you purchase through these links, we may earn a small commission at no extra cost to you. Thank you for your support!