01 - Preheat oven to 350°F. Grease a 9x5-inch loaf pan and line with parchment paper.
02 - In a medium bowl, whisk together flour, baking powder, and salt. Set aside.
03 - In a large bowl, whisk sugar, eggs, yogurt, vegetable oil, lemon zest, lemon juice, and vanilla extract until smooth.
04 - Gradually fold the dry ingredients into the wet mixture until just combined. Avoid overmixing.
05 - Toss blueberries with 1 tablespoon flour, then gently fold into the batter.
06 - Pour the batter into the prepared loaf pan and smooth the top evenly.
07 - Bake for 50-55 minutes, or until a toothpick inserted in the center comes out clean.
08 - Let the loaf cool in the pan for 15 minutes, then remove and transfer to a wire rack to cool completely.
09 - Whisk powdered sugar and lemon juice until smooth. Drizzle over the cooled loaf.
10 - Allow the glaze to set before slicing and serving.