01 - Preheat oven to 350°F. Grease a 9x5-inch loaf pan and line with parchment paper.
02 - Whisk together flour, baking powder, baking soda, and salt in a large mixing bowl.
03 - Mix Greek yogurt, granulated sugar, eggs, oil, lemon zest, lemon juice, and vanilla in a separate bowl until smooth.
04 - Add wet ingredients to dry ingredients and fold gently until just combined. Avoid overmixing to prevent dense texture.
05 - Transfer batter to prepared loaf pan and smooth the top evenly.
06 - Bake for 45-55 minutes until a toothpick inserted in the center comes out clean.
07 - Let cool in pan for 10 minutes, then remove to wire rack to cool completely.
08 - Whisk powdered sugar with enough lemon juice to create a thick, pourable consistency.
09 - Drizzle glaze over cooled loaf. Slice and serve.