01 - Preheat oven to 350°F. Grease and line a 9-inch round cake pan with parchment paper.
02 - Whisk together flour, baking powder, and salt in a medium bowl. Set aside.
03 - Beat softened butter and granulated sugar in a large bowl until light and fluffy, approximately 2-3 minutes.
04 - Mix in ricotta cheese until fully blended into the butter mixture.
05 - Beat in eggs one at a time, ensuring thorough incorporation after each addition.
06 - Blend in lemon zest, lemon juice, and vanilla extract until uniform.
07 - Gently fold dry ingredients into wet mixture until just combined. Avoid overmixing to preserve texture.
08 - Pour batter into prepared pan and smooth surface evenly.
09 - Sprinkle sliced almonds uniformly over batter. Add 2 tablespoons sugar for crispier topping if desired.
10 - Bake for 40-45 minutes until toothpick inserted into center comes out clean and top is golden brown.
11 - Let cake cool in pan for 15 minutes. Transfer to wire rack to cool completely before slicing.