Cinnamon Swirl Coffee Cake

I still remember the first time I baked this cinnamon swirl coffee cake for a chilly weekend morning. The warm aroma that filled the kitchen instantly brightened my day, making it feel like a cozy hug in dessert form.

One Sunday, unexpected guests arrived just as I was pulling this cake out of the oven. Seeing their faces light up after the first bite made that moment unforgettable and this cake a permanent favorite.

Ingredients

• All-purpose flour: I always reach for a good quality flour for the perfect tender crumb, and sifting it helps keep things light
• Granulated sugar: It sweetens without overpowering, making every bite balanced
• Unsalted butter: Softened to the right temperature for creaminess and rich flavor
• Sour cream: Adds moisture and slight tang that brightens the whole cake
• Eggs: Bring everything together and add structure
• Milk: Just enough to make the batter smooth and pourable
• Baking powder and baking soda: Help the cake rise and become fluffy
• Salt: Enhances all the flavors
• Pure vanilla extract: Adds warmth and depth
• Brown sugar and ground cinnamon: The stars of the swirl that bring that signature flavor
• Crumb topping ingredients: Flour, brown sugar, cinnamon, and melted butter come together for that crispy final touch

Instructions

Get Everything Ready:

Preheat your oven to 350°F (175°C) and grease a 9-inch square pan. It’s the first step that sets the stage for all the deliciousness.

Mix the Dry Ingredients:

Whisk together flour, baking powder, baking soda, and salt. You’ll notice the dry mix looking light and ready to bring the cake to life.

Cream Butter and Sugar:

Beat softened butter and granulated sugar until light and fluffy. This is where the batter starts to show its promise with airy texture and sweet aroma.

Combine Wet Ingredients:

Add eggs one at a time, then mix in sour cream, milk, and vanilla. Enjoy how the batter becomes silky smooth.

Bring Together:

Gradually stir the dry ingredients into the wet, careful not to overmix so the cake stays tender.

Prepare the Swirl and Topping:

Mix cinnamon and brown sugar for the swirl. Then combine crumb topping ingredients until crumbly—each step fills your kitchen with that lovely spicy scent.

Layer and Swirl:

Spread half of the batter in the pan, sprinkle the cinnamon sugar swirl evenly, then top with remaining batter and smooth out. It’s like painting with flavor.

Finish with Topping:

Sprinkle the crumb topping generously over the cake for that irresistible crunchy finish.

Bake to Perfection:

Bake for 38–42 minutes, testing with a toothpick until it comes out clean. Anticipate the comforting smell signaling it’s ready.

Cool and Serve:

Let cool in the pan for 15 minutes before slicing. That pause lets the flavors settle and makes for a cleaner cut.

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This cake quickly became more than just a breakfast treat; it was the centerpiece of celebrations and quiet mornings alike, a delicious reminder that comfort comes in many forms.

Keeping It Fresh

Store this coffee cake in an airtight container at room temperature and it’ll stay moist for a couple of days. I like to warm up leftovers gently to bring back that fresh-from-the-oven feeling.

Serving Ideas That Clicked

Pair it with a strong cup of coffee or a black tea to balance the sweetness. For a twist, a dollop of whipped cream or a light cream cheese spread takes it over the top during brunch.

A Time This Recipe Saved the Day

When a last-minute brunch invitation came, this cake was my quick go-to. Its moist crumb and addicting swirl never fail to impress and make guests ask for the recipe

• Remember to let it cool enough; warm cake tastes great but slices better cooled
• If you’re adding nuts, toast them first to amplify that crunch and flavor
• Don’t skip the crumb topping—it’s the final touch that makes it unforgettable

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Thanks for baking along with me! I hope this cake brings as much warmth and joy to your kitchen as it has to mine.

Recipe Questions & Answers

→ What makes the cinnamon swirl stand out?

The cinnamon swirl combines brown sugar and ground cinnamon, creating layers of warm spice and sweetness that infuse the cake as it bakes.

→ How can I add crunch to the crumb topping?

Incorporate chopped toasted pecans or walnuts into the crumb topping mixture for added texture and nutty flavor.

→ Can I substitute the sour cream?

Yes, plain Greek yogurt works well as a substitute, adding moisture and a slight tang without altering the texture.

→ What baking tools are recommended?

A 9-inch square baking pan, mixing bowls, whisk, and a hand or stand mixer help ensure smooth batter and even baking.

→ How do I know when the cake is done?

Insert a toothpick into the center; if it comes out clean or with a few moist crumbs, the cake is fully baked.