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Classic Blondies Recipe

Published: May 24, 2026 by Chef Ava · This post may contain affiliate links · Leave a Comment

Jump to Recipe· 3.9 from 4 reviews

If you are searching for a sweet treat that hits the perfect balance between rich and chewy, look no further than this Classic Blondies Recipe. These golden, buttery bars are packed with warm brown sugar notes and a tender crumb that is simply irresistible. Whether you love a subtle vanilla undertone or enjoy the burst of mix-ins like butterscotch and chocolate chips, this recipe turns out a batch of blondies that will quickly become your go-to dessert or snack. Trust me, once you make these, you’ll wonder how you ever lived without them.

Ingredients You'll Need

A square glass baking dish lined with white parchment paper holds a thick layer of light brown dough with a smooth, swirled texture, topped with scattered light tan chips evenly spread on the surface. The dish is placed on a white marbled texture surface, with a beige cloth folded nearby. The dough fills the dish almost fully, with a slightly uneven, homemade look to the swirls. photo taken with an iphone --ar 4:5 --v 7

This Classic Blondies Recipe uses a handful of essential ingredients that are simple but absolutely crucial. Each one plays an important role — from the melted butter that ensures a moist texture, to the brown sugar that gives it that luscious caramel flavor and tender crumb.

  • Salted butter: Melted butter adds richness and a deep, buttery flavor that makes these blondies irresistible.
  • Dark brown sugar: Firmly packed for a moist, chewy texture and that signature caramel-like sweetness; light brown sugar works too if that’s what you have on hand.
  • Egg: Acts as a binder to hold everything together and gives the blondies a nice structure.
  • Vanilla extract: Adds warmth and enhances all the other flavors with its sweet, fragrant touch.
  • All-purpose flour: Scooped carefully for the right density, it provides the blondies with their tender crumb.
  • Baking powder: Just a small amount to give the bars a light lift without making them cakey.
  • Salt: Rounds out the sweetness perfectly and intensifies all the flavors.
  • Mix-ins (optional): Heaping half a cup of butterscotch chips, chocolate chips, or chopped nuts for extra texture and flavor bursts.

How to Make Classic Blondies Recipe

Step 1: Prepare Your Baking Dish

First, preheat your oven to 350 degrees Fahrenheit. Grease an 8-inch square baking dish with non-stick spray, and for easy blondie removal later, line it with parchment paper. This little prep step means your blondies will come out perfectly intact every time.

Step 2: Combine Butter and Sugar

In a large bowl, whisk melted butter and brown sugar together. The key here is to mix until they’re fully combined, creating a rich, glossy base that'll give your blondies that signature caramel sweetness and moist texture.

Step 3: Add Egg and Vanilla

Add the egg and vanilla extract into the butter-sugar mixture, and whisk again until everything is smooth and creamy. This creates the perfect foundation for the batter’s structure and enhances the natural buttery, sweet flavors.

Step 4: Mix in the Dry Ingredients

Gently add the flour, baking powder, and salt into the wet ingredients. Stir until just combined — overmixing can make the blondies tough. If you’re using mix-ins like chocolate chips or nuts, fold them in now to evenly distribute those delightful surprises throughout the batter.

Step 5: Transfer Batter to the Pan

Pour the luscious batter into your prepared pan and smooth the surface with a spatula or the back of a spoon. Dot the top with any remaining mix-ins to create little pockets of extra flavor and a beautiful, inviting finish.

Step 6: Bake to Perfection

Pop the pan into your preheated oven and bake for 20 to 25 minutes. Keep an eye on them and use a toothpick inserted in the center to test doneness — it should come out clean or with just a few moist crumbs. Avoid overbaking as you want a soft, chewy blondie rather than a dry bar.

Step 7: Cool and Cut

Once baked, cool the blondies completely on a wire rack. If you can wait overnight, even better — the flavors develop and texture firms up just beautifully. Then, lift the blondies out of the pan using the parchment edges and slice into bars or triangles. Get ready to indulge in pure bliss!

How to Serve Classic Blondies Recipe

A stack of four thick, square blondie bars shows off a soft, chewy texture with visible chunks of light beige nuts inside each layer. The bars have a golden brown color and slight crumbly edges. They are placed on a piece of parchment paper on a white plate, which rests on a white marbled surface. Scattered nut pieces and crumbs surround the plate. A blurred background with soft lighting adds a warm, inviting feel. photo taken with an iphone --ar 4:5 --v 7

Garnishes

Serve these blondies with a light dusting of powdered sugar or a drizzle of melted chocolate for a touch of elegance. You can also add a sprinkle of flaky sea salt on top to highlight the sweetness and add a delightful crunch.

Side Dishes

Blondies pair wonderfully with a scoop of vanilla ice cream or a dollop of whipped cream for a truly decadent dessert experience. Fresh berries on the side add a pop of freshness and brighten up the richness beautifully.

Creative Ways to Present

For a fun twist, cut your blondies into bite-sized squares and serve them on a dessert platter alongside different dipping sauces like caramel or raspberry coulis. Layered in a dessert trifle with pudding and fruit is another way to showcase this recipe's versatility and charm.

Make Ahead and Storage

Storing Leftovers

Keep any leftover blondies stored in an airtight container at room temperature for up to 3 days. Proper storage helps maintain their soft, chewy texture and prevents them from drying out.

Freezing

Blondies freeze beautifully! Wrap individual pieces tightly in plastic wrap and place in a freezer-safe bag or container for up to 3 months. Thaw overnight in the fridge or at room temperature before serving for best results.

Reheating

If you want to enjoy warm blondies later, simply microwave a piece for 10 to 15 seconds or warm it gently in an oven at 300 degrees Fahrenheit for 5 to 8 minutes. The warmth heightens the flavors and gives a fresh-out-of-the-oven feel.

FAQs

Can I substitute the butter with oil?

While melted butter is key for the rich flavor and texture in blondies, you can use a neutral oil like vegetable or canola oil as a substitute. Keep in mind, though, that it may slightly change the flavor profile and texture.

What mix-ins work best in the Classic Blondies Recipe?

Traditional choices include butterscotch chips, chocolate chips, and chopped nuts like walnuts or pecans. You can also try white chocolate, dried fruit, or even toffee bits for a unique twist.

Can I make blondies gluten-free?

Yes! Simply swap the all-purpose flour with a gluten-free flour blend that is meant for baking. Just be sure it contains xanthan gum or another binder to maintain the texture.

How do I know when blondies are done baking?

Insert a toothpick into the center of the blondies around 20 minutes into baking. It should come out with a few moist crumbs but not wet batter. This ensures the blondies remain chewy and moist.

Why should I let my blondies cool overnight?

Allowing blondies to cool completely, ideally overnight, lets their flavors deepen and the texture firm up. Cutting too soon can cause them to crumble or be too gooey.

Final Thoughts

Sharing this Classic Blondies Recipe feels like giving you a little piece of my kitchen happiness. They are straightforward to make yet so delightful to eat, with that golden-brown sugar flavor and melt-in-your-mouth texture that keeps you coming back. I hope you enjoy making and sharing these as much as I do — once you try them, you might just find your new favorite treat.

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Classic Blondies Recipe

Classic Blondies Recipe

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3.9 from 4 reviews

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Classic blondies are a rich and buttery dessert bar with a soft, chewy texture. Made with melted butter, brown sugar, and a hint of vanilla, these blondies can be customized with your favorite mix-ins like chocolate chips or nuts. Perfectly baked to a golden finish, they make an easy and crowd-pleasing treat ideal for any occasion.

  • Total Time: 30-35 minutes
  • Yield: 16 servings

Ingredients

Blondie Base

  • 8 tablespoons (1 stick) salted butter, melted
  • 1 cup dark brown sugar, firmly packed (can substitute with light brown sugar)
  • 1 large egg
  • 1 ½ teaspoons vanilla extract
  • 1 cup all-purpose flour, scooped
  • ½ teaspoon baking powder
  • ¼ teaspoon salt

Optional Mix-ins

  • Heaping ½ cup mix-ins such as butterscotch chips, chocolate chips, or chopped nuts

Instructions

  1. Preheat Oven and Prepare Pan: Preheat your oven to 350℉ (175℃). Spray an 8”x8” baking dish with non-stick spray and optionally line it with parchment paper to help with easy removal after baking.
  2. Combine Butter and Sugar: In a large bowl, whisk together the melted butter and brown sugar until thoroughly combined and smooth.
  3. Add Egg and Vanilla: Whisk in the egg and vanilla extract until the mixture is evenly blended and slightly fluffy.
  4. Mix Dry Ingredients: Add the all-purpose flour, baking powder, and salt to the wet mixture. Stir gently until just combined without overmixing. Fold in half of the optional mix-ins if using.
  5. Transfer Batter to Pan: Pour the blondie batter into the prepared baking dish and smooth the surface with a silicone spatula or spoon. Sprinkle the remaining mix-ins evenly over the top.
  6. Bake: Place in the preheated oven and bake for 20 to 25 minutes or until a toothpick inserted into the center comes out clean. Avoid overbaking to keep the blondies soft and chewy.
  7. Cool and Serve: Allow the blondies to cool completely on a wire rack; cooling overnight is best for texture and ease of cutting. Once cooled, remove from the pan, cut into bars or triangles, and serve.

Notes

  • Mix-ins such as butterscotch chips, chocolate chips, or chopped nuts can be added to customize your blondies.
  • Do not overbake, or the blondies will become dry and lose their chewy texture.
  • Lining the baking pan with parchment paper makes it easier to lift the blondies out for cutting.
  • For best texture, cool completely before slicing; overnight cooling improves consistency.
  • Author: Chef
  • Prep Time: 10 minutes
  • Cook Time: 20-25 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

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