💙 Sour Cream Blueberry Coffee Cake 🍰
A soft, buttery coffee cake packed with juicy blueberries, topped with a crunchy streusel and a hint of cinnamon. Perfect with your morning coffee or as an afternoon treat!
This recipe has been a family favorite for over 30 years—moist, rich, and full of flavor. The sour cream gives it the perfect texture, while the blueberries add bursts of sweetness. It’s easy to make and will have your kitchen smelling absolutely amazing!
🛒 Ingredients
For the Cake:
✔️ 2 cups (250g) all-purpose flour
✔️ 1 teaspoon baking powder
✔️ ½ teaspoon baking soda
✔️ ½ teaspoon salt
✔️ ½ cup (1 stick/113g) unsalted butter, softened
✔️ 1 cup (200g) granulated sugar
✔️ 2 large eggs
✔️ 1 teaspoon vanilla extract
✔️ 1 cup (240g) sour cream
✔️ 1 ½ cups (225g) fresh or frozen blueberries (if using frozen, do not thaw)
✔️ 1 tablespoon flour (to toss with blueberries to prevent sinking)
For the Cinnamon Streusel (Optional but Highly Recommended! 😋)
✔️ ½ cup (100g) brown sugar
✔️ ¼ cup (30g) all-purpose flour
✔️ ½ teaspoon cinnamon
✔️ 2 tablespoons (28g) cold butter, cut into small pieces
For the Glaze (Optional):
✔️ ½ cup (60g) powdered sugar
✔️ 1-2 tablespoons milk or lemon juice
✔️ ½ teaspoon vanilla extract
👨🍳 Instructions
1️⃣ Preheat & Prepare the Pan
- Preheat your oven to 350°F (175°C).
- Grease and flour a 9-inch (23cm) round or square baking pan, or line it with parchment paper for easy removal.
2️⃣ Mix the Dry Ingredients
- In a medium bowl, whisk together flour, baking powder, baking soda, and salt. Set aside.
3️⃣ Cream the Butter & Sugar
- In a large mixing bowl, beat butter and sugar together until light and fluffy (about 2-3 minutes).
- Add eggs, one at a time, mixing well after each addition.
- Stir in vanilla extract.
4️⃣ Add the Sour Cream & Dry Ingredients
- Add half of the dry ingredients to the butter mixture and mix until just combined.
- Mix in sour cream, then add the rest of the dry ingredients. Do not overmix—just stir until combined.