Cinnamon Sugar Blondies are soft, buttery dessert bars swirled with a sweet cinnamon ribbon. This recipe delivers a perfectly chewy texture with a crackly top and a warm, spiced flavor that rivals any classic blondie. You will make these on repeat.
Recipe Overview
| Prep Time | 10 minutes |
|---|---|
| Cook Time | 20 minutes |
| Total Time | 30 minutes |
| Servings | 16 bars |
| Difficulty | Easy |
| Cuisine | American |
Why This Recipe Works
I have tested dozens of blondie recipes, and this version is my absolute favorite. The secret lies in browning the butter, which adds a nutty, caramel depth that perfectly complements the cinnamon sugar swirl. You get a rich flavor without any extra effort.
The texture is what sets these bars apart. Using melted butter and brown sugar creates a dense, fudgy center with a delicate, crackly top. The cinnamon sugar layer bakes into a slightly crisp ribbon that contrasts beautifully with the soft blondie base. Every bite is a perfect balance of sweet and spice.
This recipe is also incredibly forgiving. You do not need a mixer, and the ingredients are pantry staples. Whether you are a beginner or a seasoned baker, these Cinnamon Sugar Blondies deliver consistent, crowd-pleasing results every single time.
Ingredients
| Ingredient | Quantity | Notes & Alternatives |
|---|---|---|
| Unsalted butter | 1/2 cup (1 stick) | Browned for deeper flavor. Use salted butter and reduce added salt. |
| Light brown sugar | 1 cup, packed | Dark brown sugar adds more molasses flavor. |
| Granulated sugar | 1/4 cup | Helps create a crackly top. |
| Large egg | 1 | Room temperature for better emulsion. |
| Vanilla extract | 1 teaspoon | Pure vanilla is best. |
| All-purpose flour | 1 cup | Do not overmeasure; spoon and level. |
| Baking powder | 1/2 teaspoon | Ensures a slight lift. |
| Salt | 1/4 teaspoon | Balances sweetness. |
| Ground cinnamon | 1 tablespoon | For the swirl. Use fresh for best aroma. |
| Granulated sugar (for swirl) | 2 tablespoons | Mixed with cinnamon for the topping. |
Step-by-Step Instructions
Prepare the Brown Butter Base
- Melt the butter in a light-colored saucepan over medium heat.
- Swirl the pan constantly until the butter turns golden brown and smells nutty, about 5 minutes.
- Pour the browned butter into a large mixing bowl and let it cool for 5 minutes.
- Whisk in the packed brown sugar and 1/4 cup granulated sugar until combined.
- Add the egg and vanilla extract, whisking vigorously until the mixture is smooth and glossy.
Combine Dry Ingredients
- In a separate bowl, whisk together the flour, baking powder, and salt.
- Fold the dry ingredients into the wet mixture using a rubber spatula.
- Mix just until no streaks of flour remain. Do not overmix.
Assemble the Cinnamon Swirl
- Preheat your oven to 350°F (175°C). Line an 8×8-inch baking pan with parchment paper.
- Spread half of the blondie batter evenly into the prepared pan.
- In a small bowl, stir together the 1 tablespoon cinnamon and 2 tablespoons granulated sugar.
- Sprinkle half of the cinnamon sugar mixture over the batter in the pan.
- Drop the remaining batter in spoonfuls over the cinnamon layer, then gently spread it to cover.
- Sprinkle the remaining cinnamon sugar on top.
- Use a butter knife to gently swirl the top layer for a marbled effect.
Bake to Perfection
- Bake for 20 to 22 minutes, until the edges are golden and the center is just set.
- A toothpick inserted into the center should come out with a few moist crumbs.
- Cool the blondies completely in the pan on a wire rack before slicing.
Chef Tips for Perfect Results
- Brown the butter until it is a deep amber color, not just pale yellow. This unlocks a toffee-like flavor that makes these Cinnamon Sugar Blondies unforgettable.
- Use a metal 8×8 pan for the best heat conduction. Glass pans can cause the edges to overbake before the center is done.
- Do not overbake. The blondies will continue to set as they cool. Remove them from the oven when the center still jiggles slightly.
- Let the bars cool completely before cutting. Use a sharp chef’s knife and wipe it clean between cuts for neat, bakery-style squares.
- For an extra crackly top, let the batter rest for 10 minutes after mixing. This allows the sugar to dissolve partially.
Common Mistakes to Avoid
- Overmixing the batter: This develops gluten, making the blondies tough and cakey. Mix only until the flour disappears.
- Using cold eggs: Cold eggs seize the melted butter, creating a dense, greasy texture. Always use room-temperature eggs.
- Skipping the parchment paper: Blondies are sticky. Without parchment, they will crumble when you try to remove them from the pan.
- Cutting while warm: The bars will fall apart. Patience is key. Cool completely for clean slices.
- Using old cinnamon: Spices lose potency. Fresh cinnamon gives the swirl its signature punch.
Variations and Substitutions
| Ingredient | Substitution | Impact on Flavor |
|---|---|---|
| All-purpose flour | Gluten-free 1:1 blend | Slightly grainier texture, but still chewy. |
| Unsalted butter | Coconut oil (solid) | Mild coconut flavor, less rich. |
| Brown sugar | Coconut sugar | Less sweet, more earthy, less moist. |
| Egg | Flax egg (1 tbsp flax + 3 tbsp water) | Denser, less crackly top, vegan option. |
| Cinnamon | Apple pie spice or pumpkin pie spice | More complex, fruity notes. |
Serving Suggestions and Pairings
Serve these Cinnamon Sugar Blondies warm with a scoop of vanilla bean ice cream for a classic dessert. The cold creaminess contrasts perfectly with the chewy, spiced bar. For a cozy fall treat, pair them with a mug of hot apple cider or a spiced chai latte.
These bars are also fantastic for bake sales, potlucks, or holiday cookie platters. Cut them into small squares and dust with extra cinnamon sugar for a beautiful presentation. They hold up well at room temperature, making them ideal for packing in lunchboxes or taking on picnics.
Storage and Reheating
| Method | Duration | Instructions |
|---|---|---|
| Room Temperature | Up to 4 days | Store in an airtight container with a slice of bread to maintain moisture. |
| Refrigerator | Up to 1 week | Wrap tightly in plastic wrap. Bring to room temperature before serving. |
| Freezer | Up to 3 months | Wrap individually in plastic, then foil. Thaw at room temperature. |
| Reheating | 10 seconds | Microwave a single bar for 10-15 seconds for a just-baked taste. |
Nutritional Information
| Nutrient | Amount per Serving |
|---|---|
| Calories | 185 kcal |
| Carbohydrates | 28 g |
| Protein | 2 g |
| Fat | 8 g |
| Saturated Fat | 5 g |
| Cholesterol | 35 mg |
| Sodium | 95 mg |
| Fiber | 1 g |
| Sugar | 20 g |
Approximate values. Based on 16 servings.
Frequently Asked Questions
Can I use margarine instead of butter?
Margarine contains more water and less fat than butter. This will result in a flatter, less flavorful blondie with a gummy texture. Stick with real butter for the best results.
How do I know when the blondies are done baking?
The edges should be golden brown and pulling away from the pan. The center will look slightly underdone and puffy. A toothpick inserted near the center should come out with moist crumbs, not wet batter.
Why did my cinnamon sugar sink to the bottom?
This happens if the batter is too thin or if you add too much cinnamon sugar. Ensure your batter is thick and spoonable. Also, sprinkle the cinnamon mixture evenly and avoid pressing it down.
Can I make the batter ahead of time?
Yes, you can prepare the batter and store it in the refrigerator for up to 24 hours. Let it sit at room temperature for 15 minutes before spreading and baking. Add the cinnamon swirl just before baking.
What is the best way to serve these blondies?
Serve them slightly warm with a scoop of vanilla ice cream or a drizzle of caramel sauce. They are also delicious on their own as a coffee break treat. For a special occasion, dust with powdered sugar.
Conclusion
These Cinnamon Sugar Blondies are the perfect balance of buttery richness and warm spice. With a chewy center, a crackly top, and a beautiful cinnamon swirl, they are guaranteed to become a household favorite. The recipe is simple, reliable, and endlessly adaptable. Bake a batch today and experience the signature flavor that makes these bars truly unforgettable.
PrintCinnamon Sugar Blondies
Soft, buttery blondies with a crackly top and a warm cinnamon ribbon. These chewy bars balance sweet and spice for a delightful American dessert.
- Prep Time: 10
- Cook Time: 20
- Total Time: 30
- Yield: 16 bars
- Category: recipe index
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Ingredients
Unsalted butter, 1/2 cup (1 stick)
Light brown sugar, 1 cup, packed
Granulated sugar, 1/4 cup
Large egg, 1
Vanilla extract, 1 teaspoon
All-purpose flour, 1 cup
Baking powder, 1/2 teaspoon
Salt, 1/4 teaspoon
Ground cinnamon, 1 tablespoon (for swirl)
Granulated sugar, 2 tablespoons (for swirl)
Instructions
Preheat oven to 350°F (180°C)
Line an 8×8-inch baking pan with parchment paper
Melt butter in a saucepan over medium heat until golden brown and nutty, about 5 minutes
Cool butter for 5 minutes
Whisk in brown sugar and granulated sugar
Stir in egg, then vanilla extract
Add flour, baking powder, and salt, mixing until smooth
Press 2/3 of batter into prepared pan
In a small bowl, mix cinnamon and granulated sugar
Sprinkle cinnamon-sugar mixture over remaining batter
Spread remaining batter over cinnamon layer
Bake for 20 minutes or until golden and crackly
Notes
Browned butter enhances flavor; use salted butter if adjusting salt
Store in an airtight container for up to 3 days
Add chopped nuts or oats for texture if desired
