01 - Preheat oven to 350°F. Grease and flour a 9-inch round cake pan or line with parchment paper.
02 - Whisk together flour, baking powder, baking soda, and salt in a medium bowl until thoroughly blended.
03 - Beat butter and sugar together in a large bowl until light and fluffy, approximately 3 minutes.
04 - Add eggs one at a time, beating well after each addition. Mix in yogurt, lemon zest, lemon juice, and vanilla extract until smooth.
05 - Gradually add dry ingredients to wet mixture, alternating with milk, beginning and ending with flour. Mix until just combined, being careful not to overmix.
06 - Toss blueberries with 1 tablespoon flour, then gently fold into the batter to distribute evenly.
07 - Pour batter into prepared pan and smooth top. Bake for 38-42 minutes until a toothpick inserted in the center comes out clean.
08 - Let cake cool in pan for 15 minutes, then transfer to wire rack to cool completely before glazing.
09 - Mix powdered sugar and lemon juice until smooth. Drizzle over cooled cake and allow glaze to set before serving.