01 - Preheat oven to 350°F. Grease a 9-inch springform pan and line the bottom with parchment paper.
02 - Whisk together flour, baking powder, baking soda, and salt in a medium bowl. Set aside.
03 - Beat butter and sugar together in a large bowl until light and fluffy, approximately 3 minutes.
04 - Add eggs one at a time, beating thoroughly after each addition.
05 - Mix in ricotta cheese, lemon zest, lemon juice, and vanilla extract until fully incorporated.
06 - Gradually fold the dry ingredients into the wet mixture, mixing until just combined. Avoid overmixing.
07 - Pour batter into the prepared pan and smooth the top surface evenly.
08 - Sprinkle sliced almonds uniformly over the batter, followed by 2 tablespoons of sugar.
09 - Bake for 40–45 minutes until a toothpick inserted into the center exits clean and the top is golden brown.
10 - Allow cake to cool in the pan for 15 minutes, then release springform and finish cooling on a wire rack.
11 - Serve plain or dust with powdered sugar if desired.