3:
Instructions:
1. Preheat your oven to 350°F (175°C).
2. In a large mixing bowl, cream together the butter and sugar until light and fluffy.
3. Add the eggs one at a time, beating well after each addition.
4. Stir in the lemon zest, lemon juice, and vanilla extract.
5. In a separate bowl, whisk together the flour, baking powder, and salt.
6. Gradually add the dry ingredients to the butter mixture, alternating with the buttermilk. Begin and end with the flour mixture.
7. Pour the batter into a greased and floured loaf pan.
8. Bake for 45-50 minutes or until a toothpick inserted in the center comes out clean.