Line and grease a 20cm cake tin (or springform pan) and preheat the oven to 180°C.
Whisk the eggs and sugar until pale and slightly thickened.
3 eggs, 200 grams granulated sugar
Add the ricotta and mix until smooth, then stir in the olive oil, lemon juice, zest and vanilla.
220 grams ricotta cheese, 120 ml olive oil, 1 lemon, 2 lemons, 1 teaspoon vanilla extract
Fold in the flour and baking powder just until combined.
220 g all-purpose flour, 1 teaspoon baking powder
Pour into the tin and bake for 40–45 minutes, or until set in the centre.
Cool in the tin for 10 minutes, then transfer to a rack. Dust with powdered sugar once fully cooled.
2 tablespoon powdered sugar