Ingredients
Method
- Preheat your oven to 325°F. Cut a circle of parchment paper to fit your 9-inch cake pan. Butter the parchment paper and the sides of the pan.
- In a large mixing bowl, beat the butter and sugar together with an electric mixer on medium-high speed for about 5 minutes until pale and fluffy. Add the egg yolks one at a time, beating after each addition until smooth and thick.
- Add the ricotta cheese, lemon zest, lemon juice, vanilla extract, and almond extract (if using). Beat everything together until combined. The mixture may look slightly separated or grainy - this is normal.
- Sprinkle the almond flour and salt over the ricotta mixture. Fold gently with a spatula until no dry patches remain. The batter will be thick and slightly grainy.
- In a clean, dry bowl with clean beaters, beat the egg whites on medium speed for about 3 minutes until soft peaks form. The whites should hold their shape but the tips should curl over slightly.
- Stir about one-third of the whipped egg whites into the almond batter to lighten it. Then gently fold in the remaining egg whites using a sweeping motion from bottom to top. Stop when no white streaks remain. Do not overmix.
- Pour the batter into the prepared pan and smooth the top. Scatter the sliced almonds over the surface and press down slightly.
- Bake for 50 minutes until the edges are golden brown and the center is slightly jiggly. A toothpick inserted in the center should come out with just a few moist crumbs.
- Place the pan on a cooling rack and let cool for a full hour to allow everything to set properly.
- Run a thin knife around the edge. If using a springform pan, release the sides. For a regular pan, place a plate on top, flip, remove parchment, and flip again onto serving plate. Dust with confectioner's sugar before serving.
Notes
Storage: Store in an airtight container in the refrigerator for up to 4 days. The texture actually improves on day two. Serve at room temperature - take out 30 minutes before serving.
Variations: For a raspberry version, fold in 1/2 to 1 cup fresh raspberries before pouring into pan. For orange flavor, replace lemon zest and juice with orange. For bars, use a 9x9-inch square pan.
Important Tips: Room temperature ingredients are key for proper blending. Don't overmix the egg whites when folding - stop as soon as white streaks disappear. Use blanched almond flour, not almond meal, for the best delicate texture.
