01 - Preheat oven to 350°F. Grease and line a 9×5-inch loaf pan with parchment paper.
02 - Whisk together Greek yogurt, eggs, vegetable oil, lemon zest, lemon juice, and vanilla extract until smooth.
03 - Sift all-purpose flour, baking powder, baking soda, salt, and granulated sugar into a separate bowl.
04 - Add dry ingredients to wet mixture and stir gently until just combined, avoiding overmixing.
05 - Toss blueberries with 1 tablespoon flour to prevent sinking, then fold them gently into the batter.
06 - Pour batter into prepared loaf pan and smooth the surface evenly.
07 - Bake 45 to 55 minutes until a toothpick inserted in the center emerges clean.
08 - Let loaf cool in pan for 10 minutes before transferring to a wire rack to cool completely.
09 - Whisk powdered sugar and lemon juice until smooth; drizzle over cooled loaf before slicing if desired.