Preheat the oven to 170°C (340°F) and grease a 9-inch springform pan.
In a large mixing bowl, beat the ricotta cheese until smooth and creamy.
Add the sugar and mix until fully incorporated.
Beat in the eggs one at a time, mixing well after each addition.
Stir in the vanilla extract and almond extract.
Fold in the finely ground pistachios and flour until the batter is smooth.
Pour the mixture into the prepared pan and spread evenly.
Sprinkle chopped pistachios over the top for added texture.
Bake for 50–60 minutes or until the center is set and lightly golden.
Allow the cheesecake to cool completely at room temperature.
Refrigerate for at least 4 hours before serving.
Garnish with additional pistachios before slicing and serving.