Name: Blueberry Sour Cream Coffee Cake
Prep time: 10 min
Cook time: 45 min
Total time: 55 min
Ingredients: 1 cupbutter (softened); 2 cupswhite sugar; 2 eggs; 1 cupsour cream; 1 teaspoonvanilla extract; 1 3/4 cupsall-purpose flour; 1 teaspoonbaking powder; 1/4 teaspoonsalt; 1 1/2 cupsfresh or frozen blueberries ((see Note)); 1/2 cupbrown sugar; 1 teaspoonground cinnamon; 1/2 cupchopped pecans; confectioners' sugar for dusting

Jump to Recipe

Warm, tender, and studded with juicy blueberries, this coffee cake is the kind of recipe you reach for when you need reliable comfort with a little sparkle. It comes together with straightforward steps and familiar ingredients, but the sour cream keeps the crumb moist and the pecan-cinnamon layer gives each slice a satisfying texture contrast.

I bake this one when guests arrive unexpectedly, or when I want something that pairs perfectly with morning coffee and still feels special enough for dessert. It holds up well through the day and travels without fuss, which makes it a real keeper in my rotation.

Below you’ll find the ingredients, the exact method I use, and tweaks to make the cake suit your pantry or goals. Read the steps through once before starting, and you’ll have a dense, tender Bundt cake with a caramelized cinnamon-pecan ribbon inside.

What We’re Using

Ingredients

1 cup butter, softened — for creaming; room-temperature butter traps air for a lighter cake.
2 cups white sugar — main sweetener and helps with structure when creamed with butter.
2 eggs — bind and leaven; add them one at a time for even incorporation.
1 cup sour cream — adds moisture and tenderizes the crumb.
1 teaspoon vanilla extract — rounds the flavor without overpowering the blueberries.
1 3/4 cups all-purpose flour — the cake’s structure; measure by spooning into the cup and leveling.
1 teaspoon baking powder — the leavening that helps the cake rise in the center.
1/4 teaspoon salt — balances sweetness and enhances flavor.
1 1/2 cups fresh or frozen blueberries (see Note) — the fruit; frozen are fine straight from the bag but may need more bake time.
1/2 cup brown sugar — for the cinnamon-pecan ribbon; adds a caramel note.
1 teaspoon ground cinnamon — pairs with brown sugar to create a warm, spiced layer.
1/2 cup chopped pecans — adds crunch and toasty flavor in the filling layer.
confectioners’ sugar for dusting — a light finish before serving.

Make Blueberry Sour Cream Coffee Cake: A Simple Method

Preheat the oven to 350°F (175°C). Grease and flour a 9-inch Bundt pan and set it aside.
In a large bowl, cream together 1 cup softened butter and 2 cups white sugar with a mixer until light and fluffy.
Add 2 eggs one at a time, beating after each addition until incorporated.
Gently stir in 1 cup sour cream and 1 teaspoon vanilla extract. Do not overmix.
In a separate bowl, whisk together 1 3/4 cups all-purpose flour, 1 teaspoon baking powder, and 1/4 teaspoon salt.
Stir the dry ingredients into the wet mixture just until blended; avoid overmixing.
Fold in 1 1/2 cups fresh or frozen blueberries until evenly distributed.
Spoon half of the batter into the prepared Bundt pan and spread it into an even layer.
In a small bowl, stir together 1/2 cup brown sugar, 1 teaspoon ground cinnamon, and 1/2 cup chopped pecans.
Sprinkle half of the brown sugar–cinnamon–pecan mixture evenly over the batter in the pan.
Spoon the remaining batter over the sprinkled layer and spread it as evenly as possible.
Sprinkle the remaining pecan mixture over the top. Using a knife or thin spatula, gently swirl the sugar/pecan layer into the batter (the batter will be thick—swirl as best you can).
Bake on the center rack for 50 to 60 minutes, or until a knife inserted into the crown of the cake comes out clean. If using frozen blueberries you may need to bake longer; dark nonstick pans may shorten bake time.
Cool the cake completely in the pan on a wire rack. When cool, invert the cake onto a serving plate and tap firmly to release it from the pan.
Dust the cake with confectioners’ sugar just before serving.
Store leftover cake in an airtight container for up to 5 days.

Why You’ll Keep Making It

This recipe hits a few everyday food goals: it’s straightforward, uses staple ingredients, and rewards you with a tender crumb plus a crunchy, lightly spiced ribbon. The sour cream is the unsung hero — it keeps the cake moist for days without tasting tangy. Blueberries add brightness and juices that mingle with the brown sugar-cinnamon layer to create pockets of flavor.

It also scales mentally well: the technique is simple and forgiving. Even if your blueberries bleed a bit into the batter or the swirl isn’t perfect, the cake still tastes like a winner. Serve slices warm with coffee or cool slices with whipped cream or vanilla ice cream for dessert.

Flavor-Forward Alternatives

Think of this recipe as a template. Here are a few changes that lift the flavor without changing the method.

Lemon zest: Add the zest of one lemon to the batter for a bright lift that pairs beautifully with blueberries.
Almond swap: Replace 1/2 teaspoon of vanilla with 1/2 teaspoon almond extract for a nutty note that complements the pecans.
Orange-pecan: Use orange zest in the batter and substitute walnuts for pecans for a slightly different citrus-nut profile.
Maple brown sugar: Use dark brown sugar or a tablespoon of maple syrup mixed into the pecan layer for deeper, autumnal flavor.

Kitchen Gear Checklist

You don’t need fancy tools. These are the items that make this bake easier and more consistent.

9-inch Bundt pan — the recipe is designed for this size for even baking and the pretty ring shape.
Stand mixer or hand mixer — for creaming butter and sugar until light and fluffy.
Mixing bowls — at least two; one for wet, one for dry ingredients.
Rubber spatula and thin knife or small offset spatula — for folding and swirling the pecan layer.
Wire rack — to cool the Bundt pan so the cake detaches cleanly when inverted.

Don’t Do This

Don’t overmix once the flour is added. Overworking the batter develops gluten and yields a dense cake. Stop mixing as soon as you see the dry bits disappear.

Don’t skip greasing and flouring the Bundt pan. Even a small missed spot can lead to the cake sticking. If you don’t have flour, a nonstick spray with flour or a dusting of sugar can help release the cake.

Don’t cut into the cake before it cools. A hot cake will break apart when inverted and sliced. Wait until it has cooled completely in the pan; patience pays off.

Fit It to Your Goals

Want to reduce sugar? You can lower the white sugar slightly, but expect changes in texture and browning. For fewer calories, serve smaller slices rather than changing ratios drastically.

Need a gluten-free version? Substitute a 1:1 gluten-free flour blend with xanthan gum and expect a slightly different crumb and moisture level. Baking time may change; watch for doneness.

Feeding a crowd? This recipe scales up well into a 9×13 pan—bake time will change, so test for doneness with a knife or skewer; it should come out clean when ready.

Pro Tips & Notes

About the blueberries

If using frozen blueberries, do not thaw them first. Toss them straight into the batter; thawed berries bleed into the batter more and can turn the whole cake purple. Frozen berries may require a few extra minutes in the oven—watch for a clean knife test.

On the swirl

The instruction to swirl is intentionally gentle. The batter is thick; forceful swirling collapses the lift you worked into the cake. A couple of gentle figure-eight motions with a thin knife are enough to create a ribbon effect.

Doneness cues

A knife inserted into the crown should come out clean. If few moist crumbs cling to it, that’s fine; glossy batter indicates it needs more time. Start checking at 50 minutes and then every 5 minutes as needed.

Serving

Dust with confectioners’ sugar just before serving to keep the finish fresh. If you want a glaze, a simple mix of confectioners’ sugar and a teaspoon of milk or lemon juice will turn this into a sweeter, decorative cake.

Make-Ahead & Storage

After cooling completely, store the cake in an airtight container at room temperature for up to 2 days, then refrigerate up to 5 days as the recipe notes. To refresh slices, warm gently in a 300°F oven for 8–10 minutes or microwave a single slice for 12–18 seconds (watch closely) to recapture that just-baked feel.

For longer storage, you can wrap slices tightly in plastic and freeze for up to 2 months. Thaw in the refrigerator or at room temperature and warm slightly before serving.

Questions People Ask

Q: Can I use another fruit?

A: Yes. Raspberries or chopped strawberries can work, but strawberries release more juice and can change texture. Adjust bake time and avoid overloading the batter with wet fruit.

Q: My cake stuck—what went wrong?

A: Often it’s not greased well enough, or the cake wasn’t fully cooled before inverting. Ensure the pan is thoroughly greased and floured, and allow the cake to cool completely in the pan before tapping it out.

Q: Why is the center sinking?

A: Overmixing, opening the oven door during the bake, or underbaking can cause sinking. Use a gentle hand when combining ingredients and resist peeking early in the bake.

Save & Share

If you make this, take a photo of the slice that shows the cinnamon-pecan ribbon and the blueberry pockets. Tag it when you share with friends or family—this cake is meant to be enjoyed together. Pin the recipe for a reliable go-to, and note any tweaks you make so the next bake matches your favorite version perfectly.

Happy baking. This one becomes a habit: it’s easy, forgiving, and genuinely worth repeating.

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