Creating your Lemon Surprise Cake involves a series of simple, manageable steps. Follow this guide to achieve the best results:

1. Preheat Oven: Preheat your oven to 350°F (175°C). Grease and flour an 8-inch round cake pan.
2. Prepare Dry Ingredients: In a medium bowl, mix together the flour, baking powder, and salt. Set aside.
3. Mix Wet Ingredients: In a large bowl, cream together the softened butter and granulated sugar until light and fluffy.
4. Add Eggs: Beat in the eggs one by one, mixing well after each addition.
5. Incorporate Lemon Zest and Juice: Stir in the lemon zest, lemon juice, and vanilla extract until well blended.
6. Combine Ingredients: Gradually add the dry ingredient mixture to the wet ingredients, alternating with the milk. Mix until just combined.
7. Pour Batter: Pour the batter into the prepared cake pan and spread it evenly.
8. Bake: Place the pan in the preheated oven and bake for 30-35 minutes, or until a toothpick inserted in the center comes out clean.
9. Cool: Remove the cake from the oven and let it cool in the pan for 15-20 minutes. Then, transfer it to a wire rack to cool completely.
10. Dust with Powdered Sugar: Once cooled, dust the top with powdered sugar before slicing and serving.

By following these steps, you will create a stunning and delicious Lemon Surprise Cake that is bound to impress!