01 -
Preheat the oven to 175°C. Grease a 10-inch Bundt pan with butter or baking spray, then lightly dust with flour to prevent sticking.
02 -
In a medium bowl, whisk together flour, baking powder, baking soda, and salt. Set aside.
03 -
In a large bowl, beat the unsalted butter and granulated sugar with an electric mixer on medium speed until light and fluffy, approximately 3 to 5 minutes.
04 -
Add eggs one at a time, mixing well after each addition. Scrape down the sides as needed. Then mix in lemon zest, lemon juice, and vanilla extract.
05 -
Add one-third of the flour mixture and mix gently. Add half of the buttermilk and mix gently. Repeat, finishing with the remaining flour. Stir just until combined to avoid overmixing.
06 -
Toss blueberries with 8 grams of flour to prevent sinking, then fold them gently into the batter.
07 -
Pour batter into prepared Bundt pan and smooth the top. Bake for 50 to 60 minutes or until a toothpick inserted in the center comes out clean. If browning too fast after 50 minutes, loosely cover with foil.
08 -
Allow cake to cool in the pan for 15 to 20 minutes. Then invert onto a wire rack to cool completely.
09 -
Whisk together powdered sugar and lemon juice until smooth. Drizzle evenly over cooled cake and let set for 15 minutes before serving.