Preheat the oven to 350℉. Line a 9X5 inch loaf pan with parchment paper and set aside.
Sift all dry ingredients and set aside.
2¾ cup All-purpose flour, 2 teaspoon Baking powder, ½ teaspoon Baking soda, ¼ teaspoon Salt
Massage the lemon zest into the granulated sugar until it releases its aroma. Beat the egg, sugar, and vanilla extract until well combined.
1 tablespoon Lemon zest, 1 cup Granulated sugar, 1 tablespoon Vanilla extract, 1 Egg
Mix the buttermilk, milk, sour cream, oil, and lemon juice separately and add it to the above mixture, alternating with the dry ingredients. Start and finish with dry ingredients. Use a rubber spatula to mix the mixture.
2 tablespoon Lemon Juice, ⅓ cup Oil, ½ cup Milk, ¼ cup Buttermilk, ¼ cup Sour cream
Fold in the shredded zucchini and gently mix.
1½ cups Zucchini
Pour the batter into the lined loaf pan.
Bake for 40-50 minutes or until an insert comes out clean. Let it cool in the pan for 15 minutes, then transfer it to the cooling rack and let it cool down fully.