Directions

1. Preheat the oven to 350°F. Grease an 8×4-inch loaf pan with butter and set aside.
2. In a medium bowl, whisk together the flours, baking powder, and salt.
3. In a larger bowl, whisk together the sugar and lemon zest. Add the yogurt, olive oil, eggs, and vanilla, and whisk until well combined.
4. Add the dry ingredients to the wet ingredients and mix until just combined. Do not overmix.
5. Pour the batter into the prepared pan and bake for 40 to 50 minutes, or until a toothpick inserted in the center comes out clean.
6. In a small bowl, combine the icing sugar with 2 tablespoons of lemon juice. Add more lemon juice if needed to reach your desired consistency. Stir in the lemon zest and set aside.
7. Allow the cake to cool in the pan, then transfer to a serving platter. Drizzle with the lemon glaze and sprinkle with additional zest before serving.