1. Preheat your oven to 325°F (165°C). Grease a 10-inch bundt pan generously with butter or non-stick spray.
2. In a large mixing bowl, cream together the softened butter and cream cheese until the mixture is smooth and creamy, about 3-4 minutes.
3. Gradually add the sugar, beating until the mixture is light and fluffy, reminiscent of the airy texture my abuela achieved without any modern gadgets.
4. Add the eggs one at a time, mixing well after each addition to ensure a smooth batter.
5. In a separate bowl, sift together the flour, baking soda, and salt. This step reminds me of my grandmother teaching us the importance of patience and precision in baking.
6. Gradually add the dry ingredients to the butter mixture, alternating with the lemon juice. Mix until just combined.
7. Gently fold in the lemon zest and vanilla extract, adding a touch of sunshine to your batter.
8. Pour the batter into the prepared bundt pan, smoothing the top with a spatula.
9. Bake in the preheated oven for approximately 70-80 minutes, or until a toothpick inserted into the center of the cake comes out clean.
10. Allow the cake to cool in the pan for about 15 minutes before turning it out onto a wire rack to cool completely.

Remember, the key to a perfect pound cake is not to rush. Letting the cake cool properly ensures it retains its structure and moisture, creating a truly delectable experience.