1: Preheat oven to 325°F.
2: In a mixing bowl, cream together the butter and sugar until light and fluffy.
3: Add eggs one at a time, mixing well after each addition.
4: In a separate bowl, whisk together the flour, baking powder, and salt.
5: Gradually add the dry ingredients to the butter mixture, alternating with sour cream.
6: Stir in lemon zest, lemon juice, and vanilla until fully combined.
7: Pour the batter into a greased Bundt pan.
8: Bake for 1 hour and 15 minutes or until a toothpick inserted into the center comes out clean.
9: Let cool before removing from the pan.
