Step 1: Prepare Your Ingredients. Gather all your ingredients and allow your butter and eggs to come to room temperature.
Step 2: Preheat the Oven. Preheat your oven to 350°F (175°C).
Step 3: Mix Dry Ingredients. In a medium bowl, whisk together the flour, baking powder, and salt. Set aside.
Step 4: Cream Butter and Sugar. In a large mixing bowl, combine the softened butter and sugar, and beat until light and fluffy.
Step 5: Add Ricotta and Eggs. Mix in the ricotta, eggs, vanilla, lemon zest, and juice until smooth.
Step 6: Combine Wet and Dry Ingredients. Gradually add the dry mixture to the wet ingredients and fold gently.
Step 7: Pour into the Cake Pan. Pour the batter into the prepared cake pan, smoothing the top.
Step 8: Bake. Bake for 30-35 minutes until a toothpick comes out clean.
Step 9: Cool and Serve. Allow to cool in the pan for 10 minutes, then transfer to a wire rack.