Lemon and ricotta cake

Name: Lemon and ricotta cake
Prep time: 15 min
Cook time: 55 min
Total time: 1 h 10 min
Yield: 10 servings
Ingredients: ½ tsp of Baking powder; 1 pinch of Fine sea salt; 1 Lemon; 3 Medium egg; 200 gr of Plain flour; 420 gr of Ricotta cheese; 170 gr of Unsalted butter; 1 tsp of Vanilla extract; 220 gr of White sugar