How to Make Coffee Cake Blondies (Soft, Chewy & Easy Recipe)

Last Updated on March 8, 2026 by Rita

Coffee cake blondies are soft, chewy dessert bars that combine the buttery richness of blondies with the cinnamon crumb topping of classic coffee cake, ready in under one hour. These bars are perfect when you want a single-pan dessert with a tender center and crunchy streusel topping.

I love making these Coffee cake blondies when I want something cozy with my afternoon coffee. The first time I baked them, the kitchen filled with warm cinnamon and vanilla, and they disappeared faster than any cake I had made.

They bake in one pan, slice easily, and deliver that perfect balance of chewy blondie texture and crumbly coffee cake topping.

Discover more soft, fluffy, and comforting desserts in our Cakes variety, filled with easy homemade cake recipes perfect for everyday sweetness and special moments.

How to Make Coffee Cake Blondies (Soft, Chewy & Easy Recipe)

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Soft chewy coffee cake blondies with cinnamon streusel topping and sweet vanilla glaze. A cozy dessert bar ready in under one hour.

• Total Time: 58 minutes
• Yield: 12 blondies 1x

Ingredients

Units USM Scale 1x2x3x

1/2 cup all-purpose flour1/4 cup granulated sugar1 tablespoon brown sugar 1/2 teaspoon cinnamon 1/4 teaspoon salt 3 tablespoons melted unsalted butter 1/2 cup melted unsalted butter1/2 cup brown sugar1/2 cup granulated sugar1 large egg 1 1/2 teaspoons vanilla extract 1 cup plus 2 tablespoons all-purpose flour2 teaspoons cornstarch 1/4 teaspoon salt 1 cup powdered sugar1/4 teaspoon vanilla extract 3–4 tablespoons milk

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Instructions

1. Preheat oven to 350°F (180°C) and line an 8×8 inch pan with parchment paper

2. Mix flour, sugars, cinnamon and salt for the streusel then stir in melted butter until crumbly

3. Whisk melted butter, brown sugar and granulated sugar until smooth

4. Add egg and vanilla extract and whisk until glossy

5. Mix in flour, cornstarch and salt until the batter is smooth

6. Spread batter in prepared pan and sprinkle streusel topping evenly

7. Bake for 26–30 minutes until golden and a toothpick comes out clean

8. Whisk powdered sugar, vanilla and milk to make glaze then drizzle over cooled blondies

9. Slice into 12 bars and serve

Notes

Cornstarch helps create a chewy blondie texture.

Store in an airtight container at room temperature up to 4 days.

Allow blondies to cool before slicing for clean edges.

• Author: Rita
• Prep Time: 30 minutes
• Cook Time: 28 minutes
• Category: Cakes
• Method: Baking
• Cuisine: American
• Diet: Vegetarian

Nutrition

• Serving Size: 1 bar
• Calories: 287
• Sugar: 32 g
• Sodium: 109 mg
• Fat: 11 g
• Saturated Fat: 7 g
• Unsaturated Fat: 3 g
• Trans Fat: 0.4 g
• Carbohydrates: 45 g
• Fiber: 0.5 g
• Protein: 2 g
• Cholesterol: 44 mg

Ingredients and Tools for Coffee Cake Blondies

These coffee cake blondies use simple pantry ingredients that create three delicious layers: a chewy blondie base, a buttery cinnamon streusel topping, and a smooth vanilla glaze. Each component adds texture and flavor, making the bars taste like a classic coffee cake in blondie form.

Streusel Topping

The streusel topping adds a crumbly cinnamon crunch that contrasts beautifully with the soft blondie layer.

Blondie Batter

Cornstarch helps create the extra chewy blondie texture, which keeps the bars soft for several days.

Vanilla Glaze

The glaze adds a sweet bakery-style finish that makes the bars look and taste like classic coffee cake.

Tools You’ll Need

• 8×8 inch (20×20 cm) baking pan
• Parchment paper
• Mixing bowls
• Whisk
• Rubber spatula
• Measuring cups and spoons
• Cooling rack
• Sharp knife for slicing

Using parchment paper with overhanging edges helps lift the coffee cake blondies out of the pan easily once they cool.

How to Make Coffee Cake Blondies in 7 Steps

Making coffee cake blondies is simple and takes less than one hour from start to finish. Follow these steps for soft, chewy bars with a crunchy cinnamon topping.

Step 1 — Prepare the Pan

Preheat the oven to 350°F (180°C).
Line an 8×8 inch (20×20 cm) baking pan with parchment paper, leaving extra paper hanging over the sides so you can lift the blondies out later.

Step 2 — Make the Streusel

In a bowl combine flour, granulated sugar, brown sugar, cinnamon, and salt.
Add the melted butter and stir until the mixture forms small crumbs. The texture should feel like slightly damp sand. Set the streusel aside.

Step 3 — Mix the Blondie Base

In a medium bowl whisk together melted butter, brown sugar, and granulated sugar.
Continue whisking until the butter fully blends with the sugars and the mixture looks smooth.

Step 4 — Add Egg and Vanilla

Whisk in the egg and vanilla extract until the batter becomes glossy and thick.
This step helps create the rich texture that makes blondies chewy instead of cakey.

Step 5 — Add Dry Ingredients

Add flour, cornstarch, and salt to the bowl.
Whisk gently until no lumps of flour remain and the batter looks smooth.

Step 6 — Assemble the Blondies

Spread the batter evenly into the prepared pan.
Sprinkle the streusel topping evenly across the surface. Use a generous layer so some crumbs stay crisp while others melt slightly into the batter.

Step 7 — Bake

Bake the coffee cake blondies for 26–30 minutes in the center of the oven.
The bars are ready when the top turns lightly golden and a toothpick inserted in the center comes out clean.

Let the blondies cool completely in the pan before adding the glaze and slicing.

Discover more soft, fluffy, and comforting desserts in our Cakes variety, filled with easy homemade cake recipes perfect for everyday sweetness and special moments.

Why This Coffee Cake Blondies Recipe Works

These coffee cake blondies work so well because the recipe balances moisture, structure, and texture. Each ingredient plays a small but important role in creating soft bars with a crumbly cinnamon topping.

Melted Butter Creates a Rich Base

Melted butter gives the blondies a dense and buttery texture.
Unlike creamed butter recipes, melted butter produces the classic chewy blondie consistency.

Brown Sugar Adds Moisture and Flavor

Brown sugar contains molasses, which adds both sweetness and moisture.
This keeps the coffee cake blondies soft for several days and gives them a light caramel flavor.

Cornstarch Improves the Texture

Cornstarch softens the gluten in the flour.
As a result, the blondies stay tender and chewy instead of firm or cakey.

Cinnamon Streusel Creates Texture Contrast

The streusel topping adds a crunchy layer that contrasts with the soft blondie base.
During baking, some crumbs stay crisp while others melt slightly into the batter, creating a delicious cinnamon swirl.

Vanilla Glaze Finishes the Bars

A simple vanilla glaze adds sweetness and a smooth finish.
It also gives the coffee cake blondies the same bakery-style look and flavor as traditional coffee cake.

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Variations and Substitutions of Coffee Cake Blondies

One reason I love making coffee cake blondies is how easy they are to adapt. With a few small ingredient changes, you can create new flavors while keeping the same soft and chewy texture.

Espresso Coffee Cake Blondies

For a deeper coffee flavor, add 1 tablespoon instant espresso powder to the blondie batter.
The espresso enhances the buttery sweetness and creates a richer coffee-inspired dessert.

Coffee Cake Blondies with Condensed Milk

You can replace part of the sugar with ¼ cup sweetened condensed milk.
This variation makes the blondies extra moist and adds a light caramel flavor.

Coffee Blondie Recipe with Chocolate Chips

If you enjoy chocolate with coffee flavors, stir ½ cup chocolate chips into the batter.
Chocolate melts slightly during baking and creates pockets of sweetness inside the bars.

Nutty Coffee Cake Blondies

Add ½ cup chopped walnuts or pecans to the batter before baking.
The nuts add crunch and pair beautifully with the cinnamon streusel topping.

Dairy-Free Version

To make dairy-free coffee cake blondies, replace butter with plant-based butter or coconut oil and use almond or oat milk in the glaze.

Gluten-Free Option

You can substitute the flour with a 1:1 gluten-free baking flour blend.
The added cornstarch in the recipe already helps maintain a soft texture.

These simple variations allow you to create many versions of coffee cake blondies while keeping the same easy baking method.

Expert Tips for the Best Texture of Coffee Cake Blondies

Perfect coffee cake blondies depend on a few simple baking techniques. These tips help ensure the bars turn out soft, chewy, and evenly baked every time.

Use a Room Temperature Egg

A room temperature egg mixes more smoothly into the batter.
This helps create a uniform mixture and prevents the melted butter from separating.

Measure the Flour Carefully

Too much flour can make blondies dry or dense.
Use the spoon and level method: spoon flour into the measuring cup, then level it with a knife instead of scooping directly from the bag.

Do Not Overmix the Batter

Mix the ingredients only until the flour disappears.
Overmixing can develop too much gluten, which may make the coffee cake blondies tougher instead of tender.

Create Larger Streusel Crumbs

When making the streusel topping, press some of the crumbs together to form larger clusters.
These clusters stay crisp during baking and create the classic coffee cake crumb texture.

Watch the Baking Time Closely

Blondies should come out of the oven when the center looks set but still slightly soft.
They will continue to firm up as they cool in the pan.

Allow the Bars to Cool Completely

Cutting the blondies too soon can cause them to crumble.
Cooling allows the structure to set, making the bars easier to slice neatly.

These small adjustments make a big difference in achieving the perfect batch of coffee cake blondies.

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How to Store, Reheat and Serve Coffee Cake Blondies

Proper storage keeps coffee cake blondies soft, chewy, and fresh for several days. These bars store well and are easy to enjoy later.

Storing at Room Temperature

Place the cooled blondies in an airtight container.
They will stay fresh at room temperature for up to 4 days.

If stacking the bars, place a sheet of parchment paper between layers. This prevents the glaze from sticking.

Refrigerating the Blondies

You can store coffee cake blondies in the refrigerator for up to 1 week.
However, refrigeration may make them slightly firmer.

Before serving, let the bars sit at room temperature for about 15 minutes so they soften again.

Freezing Coffee Cake Blondies

These blondies freeze very well.

Follow these steps:

1. Let the blondies cool completely
2. Slice them into bars
3. Wrap each piece in plastic wrap
4. Place them in a freezer-safe bag or container

They can be frozen for up to 3 months.

To thaw, place a bar at room temperature for about 30 minutes.

Reheating for a Fresh-Baked Taste

If you enjoy warm desserts, reheating works beautifully.

Microwave a blondie for 10–12 seconds to soften it.
Alternatively, warm it in the oven at 300°F for 5 minutes.

The glaze softens slightly and the center becomes warm and chewy.

Serving Ideas

Coffee cake blondies are perfect for both dessert and brunch.

You can serve them with:

• hot coffee
• espresso drinks
• cappuccino
• latte
• vanilla ice cream

For brunch gatherings, cut the blondies into smaller squares and serve them with fresh fruit or yogurt.

Common Mistakes and How to Fix Them

Even simple recipes like coffee cake blondies can have small issues during baking. Understanding these common mistakes helps you fix problems and get better results every time.

Blondies Turn Out Dry

This usually happens when too much flour is added or the bars bake too long.
Measure flour carefully and remove the coffee cake blondies from the oven as soon as the center looks set.

Streusel Topping Disappears

If the topping melts into the batter, the crumbs may be too small.
Press some streusel pieces together so larger crumbs stay visible during baking.

Blondies Are Too Dense

Overmixing the batter can develop too much gluten.
Mix only until the ingredients combine and no flour streaks remain.

Bars Fall Apart When Cutting

Cutting the blondies while they are warm can cause them to crumble.
Allow the bars to cool completely so they set properly.

Blondies Stick to the Pan

This usually happens when the pan is not lined or greased well.
Using parchment paper makes lifting and slicing the coffee cake blondies much easier.

Troubleshooting Coffee Cake Blondies

Frequently Asked Questions About Coffee Cake Blondies

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Why You’ll Love This Coffee Cake Blondies Recipe

These coffee cake blondies bring together two comforting desserts in one easy recipe. You get the rich, buttery chewiness of a blondie combined with the cinnamon streusel topping that makes coffee cake so irresistible.

I love this recipe because it uses simple pantry ingredients and bakes in a single pan. In less than one hour, you can have soft dessert bars with a golden crumb topping and a sweet vanilla glaze.

They are perfect for afternoon coffee, weekend brunch, or a quick homemade dessert. Once you try these coffee cake blondies, they may become one of your favorite cozy treats to bake and share.

“If you tried this recipe, tell me how it turned out. Did you keep it gooey or cook it fully?”