There’s something truly special about a warm slice of coffee cake paired with a cup of tea or coffee. This Homestyle Crumb Top Blueberry Sour Cream Coffee Cake embodies pure comfort food, making it an ideal treat for gatherings or a cozy night at home. When I bake this delightful cake, it not only fills my kitchen with a heavenly aroma but also brings back fond memories of family gatherings, where warmth and laughter flourished over shared meals.
At its core, this recipe is a love letter to the ingredients that create its delightful flavor and texture. The combination of 2 cups all-purpose flour with 1 teaspoon baking powder and baking soda gives the cake its perfect rise, while 1/2 teaspoon salt balances the sweetness. The richness of 1/2 cup unsalted butter and 1 cup granulated sugar creates a lovely creamy base. Add in 2 large eggs, 1 cup sour cream, and 1 teaspoon vanilla extract, and you’ll discover a moist texture and indulgent taste. The 1 cup of blueberries, whether fresh or frozen, bursts with flavor, while the 1/2 cup brown sugar, 1/3 cup rolled oats, and 1 teaspoon cinnamon add a touch of warm sweetness to the crumb topping.
You might think that making a coffee cake could be complicated, but I assure you it’s quite the opposite. Simply preheat your oven to 350°F (175°C) and prepare your 9-inch round cake pan. Mix your dry ingredients, cream your wet ones, combine them, then fold in your blueberries with care. Next, prepare the crumb topping and sprinkle it on before baking. In about 45-50 minutes, you’ll have a golden-brown cake ready to delight your family and friends.
This cake is perfect for any occasion, be it a chilly evening spent inside, a potluck with friends, or just an everyday treat to enjoy with your loved ones. With each slice, you’ll find warmth and comfort that everyone appreciates.
Why You’ll Love This Homestyle Crumb Top Blueberry Sour Cream Coffee Cake
- Quick Preparation: This recipe comes together quickly, making it easy for anyone to whip up.
- Simple Ingredients: You probably have most of the ingredients in your pantry already.
- Comfort Food: It’s a cozy treat that evokes nostalgia and warmth.
- Versatility: Enjoy it as a breakfast, a dessert, or an afternoon snack.
- Crowd-Pleaser: Its delicious flavor and appealing texture are sure to impress your guests.
Blueberries Tips
When selecting blueberries for your coffee cake, look for berries that are plump and firm, with a deep, rich color. Fresh blueberries should give slightly when pressed but not be mushy. If you’re using frozen berries, there’s no need to thaw them beforehand—add them directly to the batter. This will keep the cake moist and flavorful. Remember, blueberries are not only delicious, but they are also packed with antioxidants, making your coffee cake a delightful treat that’s also a bit healthier.
Options for Substitutions
- Gluten-Free Flour: Swap all-purpose flour for a gluten-free blend if you’re on a gluten-free diet.
- Greek Yogurt: Use Greek yogurt in place of sour cream for a tangy twist.
- Vegetable Oil: Replace unsalted butter with an equal amount of vegetable oil for a lighter texture.
- Maple Syrup: Substitute granulated sugar with maple syrup for a unique flavor.
- Almond Extract: Try adding a teaspoon of almond extract instead of vanilla for a different taste.
- Nut Variety: Incorporate chopped nuts like walnuts or pecans in the topping for added crunch.
Watch Out for These Mistakes
Baking can sometimes be tricky, so here are a few common pitfalls to avoid. Beginning with the oven temperature, preheating it to 350°F (175°C) is essential for the cake to rise properly. If your pan isn’t prepared well with grease and flour, the cake may stick, ruining the presentation.
Another mistake is overmixing the batter. When you add the dry ingredients to the wet mixture, only mix until just combined to keep that light texture. Gently folding in blueberries helps distribute them evenly without breaking them apart.
Lastly, pay attention to your baking time. While the recipe calls for 45-50 minutes, every oven is different. Test the cake with a toothpick inserted in the center; it should come out clean. Allow the cake to cool in the pan for 10 minutes before transferring it to a wire rack for complete cooling.

What to Serve With Homestyle Crumb Top Blueberry Sour Cream Coffee Cake?
This coffee cake pairs beautifully with a variety of accompaniments. A dollop of whipped cream adds an indulgent touch, while a scoop of vanilla ice cream brings a sweet, creamy contrast. Alternatively, serve it alongside fresh fruit for a refreshing side or offer a light drizzle of honey or maple syrup for added sweetness.
Storage Instructions
Store: Keep this delicious cake in an airtight container in the refrigerator for up to 5 days.
Freeze: You can freeze the whole coffee cake or individual slices for up to 3 months. Just wrap it tightly in plastic wrap and aluminum foil.
Reheat: For reheating, the stovetop is great for individual slices. Just warm it in a skillet over low heat until warmed through. Alternatively, use the microwave on low power in 10-15 second intervals until heated.
Recipe Info
Preparation Time: 20 minutes
Cooking Time: 50 minutes
Total Time: 70 minutes
Level of Difficulty: Easy
Servings: About 8 slices
Estimated Nutrition
Estimated nutrition for the whole recipe (without optional ingredients):
- Calories: 2,400-2,600
- Protein: 30-35 grams
- Fat: 100-120 grams
- Carbohydrates: 350-400 grams
Ingredients
- 2 cups all-purpose flour
- 1 teaspoon baking powder
- 1 teaspoon baking soda
- 1/2 teaspoon salt
- 1/2 cup unsalted butter, softened
- 1 cup granulated sugar
- 2 large eggs
- 1 cup sour cream
- 1 teaspoon vanilla extract
- 1 cup fresh or frozen blueberries
- 1/2 cup brown sugar
- 1/3 cup rolled oats
- 1 teaspoon cinnamon
Step-by-Step Instructions
Step 1: Preheat Oven and Prep Pan
Preheat your oven to 350°F (175°C). Prepare a 9-inch round cake pan by greasing it with butter and dusting it with flour to prevent sticking.
Step 2: Combine Dry Ingredients
In a medium bowl, whisk together 2 cups all-purpose flour, 1 teaspoon baking powder, 1 teaspoon baking soda, and 1/2 teaspoon salt. Set this mixture aside for later use.
Step 3: Cream Butter and Sugar
In a large mixing bowl, cream together 1/2 cup unsalted butter and 1 cup granulated sugar using an electric mixer. Beat until the mixture is light and fluffy. Add in 2 large eggs, one at a time, mixing well after each addition. Then, blend in 1 cup sour cream and 1 teaspoon vanilla extract.
Step 4: Combine Wet and Dry Ingredients
Gradually add the dry mixture to the wet mixture. Stir until just combined, being careful not to overmix. Finally, gently fold in 1 cup of blueberries to maintain their shape.
Step 5: Pour Batter and Prepare Topping
Carefully pour the batter into the prepared cake pan. In a separate bowl, mix together 1/2 cup brown sugar, 1/3 cup rolled oats, and 1 teaspoon cinnamon for the crumb topping. Sprinkle this mixture evenly over the batter.
Step 6: Bake and Cool
Place the cake in the preheated oven and bake for 45-50 minutes. To check for doneness, insert a toothpick into the center; it should come out clean. Once done, let the cake cool in the pan for 10 minutes before transferring it to a wire rack to cool completely.

In conclusion, this Homestyle Crumb Top Blueberry Sour Cream Coffee Cake is a delightful addition to any kitchen. With its simple ingredients and easy preparation method, it’s a recipe that even beginner bakers can master. I encourage you to try making this cake—your taste buds will thank you! Don’t forget to share your thoughts, adjustments, and experiences in the comments. Happy baking!
Print
Homestyle Crumb Top Blueberry Sour Cream Coffee Cake
- Prep Time: 20 minutes
- Cook Time: 50 minutes
- Total Time: 70 minutes
- Yield: 8 servings 1x
- Category: Dessert
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Description
A warm, comforting coffee cake bursting with blueberries, perfect for gatherings or a cozy night at home.
Ingredients
- 2 cups all-purpose flour
- 1 teaspoon baking powder
- 1 teaspoon baking soda
- 1/2 teaspoon salt
- 1/2 cup unsalted butter, softened
- 1 cup granulated sugar
- 2 large eggs
- 1 cup sour cream
- 1 teaspoon vanilla extract
- 1 cup fresh or frozen blueberries
- 1/2 cup brown sugar
- 1/3 cup rolled oats
- 1 teaspoon cinnamon
Instructions
- Preheat your oven to 350°F (175°C). Prepare a 9-inch round cake pan by greasing it with butter and dusting it with flour to prevent sticking.
- Combine 2 cups all-purpose flour, 1 teaspoon baking powder, 1 teaspoon baking soda, and 1/2 teaspoon salt in a medium bowl. Set this mixture aside for later use.
- Cream together 1/2 cup unsalted butter and 1 cup granulated sugar using an electric mixer. Beat until light and fluffy. Add in 2 large eggs, one at a time, mixing well after each addition. Then, blend in 1 cup sour cream and 1 teaspoon vanilla extract.
- Gradually add the dry mixture to the wet mixture, stirring until just combined and careful not to overmix. Gently fold in 1 cup of blueberries.
- Pour the batter into the prepared cake pan. Mix together 1/2 cup brown sugar, 1/3 cup rolled oats, and 1 teaspoon cinnamon for the crumb topping and sprinkle it over the batter.
- Bake for 45-50 minutes. Check for doneness with a toothpick; it should come out clean. Let cool in the pan for 10 minutes before transferring to a wire rack to cool completely.
Notes
Use fresh or frozen blueberries and ensure even mixing to maintain the cake’s light texture.
Nutrition
- Serving Size: 1 slice
- Calories: 300
- Sugar: 20g
- Sodium: 300mg
- Fat: 12g
- Saturated Fat: 7g
- Unsaturated Fat: 3g
- Trans Fat: 0g
- Carbohydrates: 45g
- Fiber: 2g
- Protein: 4g
- Cholesterol: 60mg