Instructions
1. Preheat & Prepare
- Preheat oven to 350°F (175°C). Grease and flour a 10-inch bundt or tube pan, or line with parchment paper.
2. Prep Blueberries
- Toss blueberries with 2 tablespoons of flour to prevent sinking.
3. Mix Dry Ingredients
- Whisk together remaining flour, baking powder, baking soda, and salt.
4. Cream Butter & Sugar
- Beat softened butter and sugar until light and fluffy (3-4 minutes).
5. Add Eggs & Flavoring
- Add eggs one at a time, mixing well. Stir in lemon zest and vanilla.
6. Add Dry & Sour Cream
- Gradually add flour mixture and sour cream alternately, beginning and ending with flour. Mix until just combined.
7. Fold in Blueberries
- Gently fold in the flour-coated blueberries.
8. Bake & Cool
- Pour batter into prepared pan and bake for 55-65 minutes, or until a toothpick inserted into the center comes out clean.
- Cool in pan for 15 minutes, then invert onto a wire rack to cool completely.
9. Make the Glaze (Optional)
- Whisk together powdered sugar and lemon juice. Adjust consistency as needed.
- Drizzle over cooled cake.
Cooking Notes
- Use room temperature ingredients for best results.
- Tossing blueberries in flour prevents sinking.
Variations
- Lemon Blueberry: Add 2 tablespoons lemon juice.
- Almond Twist: Substitute almond extract for vanilla and add 1/2 cup sliced almonds.
- Mixed Berry: Use a mix of blueberries, raspberries, and blackberries.
Frequently Asked Questions (FAQs)
Can I use frozen blueberries?
Yes! No need to thaw – just toss in flour.
How do I store it?
Store in an airtight container at room temperature for up to 3 days, or in the refrigerator for up to 5 days. Bring to room temperature before serving.
Can I freeze it?
Yes! Wrap tightly and freeze for up to 3 months. Thaw overnight in the refrigerator.
What can I serve it with?
Enjoy it plain, with whipped cream, ice cream, or fresh berries.
Can I use Greek yogurt?
Yes, substitute an equal amount of full-fat Greek yogurt for sour cream.

This classic cake is moist, buttery, and sure to be a crowd-pleaser! Enjoy!
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