01 - Preheat oven to 350°F. Grease and line a 9x5-inch loaf pan with parchment paper.
02 - In a large bowl, whisk together Greek yogurt, eggs, vegetable oil, lemon zest, lemon juice, and vanilla extract until smooth.
03 - In a separate bowl, sift together all-purpose flour, baking powder, baking soda, salt, and granulated sugar.
04 - Add dry ingredients to wet mixture and stir gently until just combined to avoid overmixing.
05 - Toss blueberries with 1 tablespoon flour to prevent sinking, then fold gently into batter.
06 - Pour batter into prepared loaf pan and smooth the top evenly.
07 - Bake for 45 to 55 minutes, or until a toothpick inserted in the center comes out clean.
08 - Allow loaf to cool in the 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 if desired.