Cinnamon Sugar Blondies with a Chewy Buttery Center

When the crisp fall air rolls in and cozy cravings hit, there’s nothing quite like the warm aroma of cinnamon sugar filling the kitchen. These easy cinnamon sugar blondies are the ultimate autumn treat—soft, chewy, and loaded with sweet spice in every bite. They’re buttery, comforting, and incredibly simple to make using just one bowl and everyday ingredients.

Unlike brownies, which are rich with chocolate, blondies let butter, brown sugar, and warm spices shine. This version is all about cinnamon—the nostalgic flavor of fall that makes you think of apple cider, crunchy leaves, and cozy sweaters. A sweet crackly cinnamon sugar topping finishes each bar with a gentle crunch that gives way to a moist and tender center.

Perfect for lunchboxes, bake sales, or a last-minute dessert for guests, these blondies come together in under 10 minutes of prep time. You don’t need a mixer or any fancy tools—just a mixing bowl, a whisk, and your favorite baking pan.

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Ingredients Overview

These cinnamon sugar blondies are built from simple pantry staples, each playing a key role in the buttery, chewy texture and spiced flavor profile.

Unsalted Butter (Melted):
Provides rich flavor and moistness. Melted butter gives the blondies a denser, chewier texture—ideal for this type of bar.

Brown Sugar:
Adds sweetness with a deeper molasses note, which pairs beautifully with cinnamon and gives the bars their soft, tender bite.

Egg:
Binds everything together and contributes to the fudgy, blondie-like texture. A large egg works perfectly.

Vanilla Extract:
Brings warmth and balance to the sweetness and spice.

All-Purpose Flour:
Creates structure while allowing the bars to stay soft. A light hand when mixing helps maintain that chewy bite.

Ground Cinnamon:
The star of the show—warm, aromatic, and comforting. Mixed into the batter and sprinkled on top for layered flavor.

Salt:
Balances out the sweetness and enhances all the other flavors.

Baking Powder (Optional):
A small amount can be added for slightly more lift, but these bars are naturally dense and chewy.

Cinnamon Sugar Topping:
A mix of cinnamon and granulated sugar is sprinkled over the top before baking. It creates a crackly, caramelized layer that gives every bite an irresistible crunch.

Substitutions:

• Use white sugar instead of brown in a pinch, though the bars will be less rich.

• Swap cinnamon with pumpkin spice for a seasonal twist.

• Use plant-based butter and a flax egg for a dairy-free, egg-free option.

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Step-by-Step Instructions

Step 1: Preheat & Prep
Preheat your oven to 350°F (175°C). Grease and line an 8×8-inch baking pan with parchment paper, leaving a little overhang to lift out the bars easily.

Step 2: Mix the Wet Ingredients
In a medium bowl, whisk together 1/2 cup melted unsalted butter and 1 cup packed brown sugar until glossy and smooth. Add 1 large egg and 1 teaspoon vanilla extract, whisking again until fully incorporated.

Step 3: Add the Dry Ingredients
To the wet mixture, add 1 cup all-purpose flour, 1 teaspoon ground cinnamon, 1/4 teaspoon salt, and (optional) 1/2 teaspoon baking powder. Stir with a spatula just until combined—do not overmix.

Step 4: Transfer to the Pan
Spread the batter evenly into your prepared pan. The batter will be thick and sticky, so use a spatula to smooth the surface.

Step 5: Make the Cinnamon Sugar Topping
In a small bowl, mix 2 tablespoons granulated sugar with 1/2 teaspoon ground cinnamon. Sprinkle this mixture evenly over the top of the batter.

Step 6: Bake
Bake for 22–25 minutes, or until the edges are set and golden and a toothpick inserted in the center comes out with a few moist crumbs. The center should look slightly underbaked—it will continue to set as it cools.

Step 7: Cool & Slice
Let the blondies cool in the pan for at least 20 minutes before lifting them out using the parchment. Slice into squares once cooled completely.

Common Mistakes to Avoid:

• Don’t overbake—they’ll lose their chewy texture.

• Overmixing can lead to a cakier blondie.

• Use real butter for the richest flavor and best results.

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Tips, Variations & Substitutions

Helpful Tips:

• For cleaner slices, chill the blondies for 30 minutes after baking.

• Use a metal pan for even browning—glass may require slightly longer bake time.

• Add a pinch of nutmeg or cardamom for an extra layer of spice.

Flavor Variations:

• Cinnamon Roll Blondies: Swirl in cream cheese before baking for a tangy contrast.

• Apple Cinnamon Blondies: Fold in 1/2 cup finely chopped apple for a fall fruit twist.

• Maple Blondies: Swap vanilla for maple extract to complement the cinnamon.

• Snickerdoodle Blondies: Add a pinch of cream of tartar to mimic classic cookie flavor.

Substitutions for Dietary Needs:

• Use a flax egg (1 tbsp ground flax + 3 tbsp water) for egg-free.

• Replace butter with coconut oil or dairy-free margarine.

• Use a 1:1 gluten-free flour blend to make them gluten-free.

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Serving Ideas & Occasions

These cinnamon sugar blondies are the ultimate fall snack or dessert. Serve them warm with a scoop of vanilla or cinnamon ice cream for an elevated treat, or pair with a mug of chai, spiced cider, or coffee for a cozy afternoon bite.

They also make wonderful additions to:

• Bake sales and school events

• Holiday dessert platters

• Gift boxes or edible hostess gifts

• Weeknight desserts with no stress

For a brunchy twist, serve smaller squares alongside fresh fruit and whipped cream as a sweet breakfast addition.

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Nutritional & Health Notes

While these blondies are indulgent, they’re made with simple, recognizable ingredients and can be easily adapted for different dietary needs. Using real butter and brown sugar gives them their classic flavor, but they’re naturally free from processed additives or artificial ingredients.

You can lower the sugar slightly if desired (reduce by 2–3 tablespoons) without drastically affecting texture. Adding some chopped walnuts or oats boosts the nutritional profile while adding a little crunch.

Each square is rich and satisfying—ideal for enjoying in moderation. Store leftovers in an airtight container at room temperature for up to 4 days, or freeze for longer shelf life.

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FAQs

1. Can I double this recipe?
Yes! Double all ingredients and bake in a 9×13-inch pan. Increase baking time to 28–32 minutes, checking for doneness at 30 minutes.

2. How do I make them extra gooey?
Take them out as soon as the center is just barely set—don’t wait for a clean toothpick. The edges should be firm, but the middle should have some softness.

3. Can I use white sugar instead of brown sugar?
You can, but you’ll lose the deep, caramel-like flavor and softer texture that brown sugar provides. If needed, add a tablespoon of molasses to white sugar as a substitute.

4. Do these need to be refrigerated?
No. Store at room temperature in an airtight container. They stay chewy for several days. For longer storage, refrigerate or freeze.

5. Can I use almond flour or oat flour?
Not directly—this recipe works best with all-purpose flour. However, a 1:1 gluten-free blend works well if needed.

6. Can I add mix-ins like nuts or chocolate chips?
Definitely! Stir in 1/2 cup of chopped walnuts, pecans, or white chocolate chips for texture and flavor contrast.

7. What makes blondies different from brownies?
Blondies don’t include cocoa or melted chocolate. They’re vanilla and brown sugar–based, giving them a rich, caramel flavor and chewy texture.

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