Put the chocolate chip cookies in the bowl and chop: 10 sec. speed 7.
Gather on the bottom with the help of a spatula and add the melted butter, mix: 10 sec. speed. 4.
Cover the baking tray (diameter of 22 cm), possibly with a zipper, with parchment paper and transfer the mixture obtained by pressing carefully and compacting well with a spoon.
Bake in a preheated oven at 170 degrees for 10 minutes and let cool.
Put the cooked, cooled and squeezed pumpkin in a clean bowl, blend: 5 sec. speed 5.
Gather on the bottom with the help of a spatula and add the sugar, eggs, drained ricotta, cream cheese and cinnamon, blend: 20 sec. speed 3.
Gather on the bottom with the spatula and blend again: 10 sec. speed. 5.
Pour the pumpkin cream obtained directly into the pan on top of the cookie base.
Bake in a preheated oven at 170°C for about 1 hour, be careful not to darken the surface too much.
Once cooked, cool completely to room temperature and then refrigerate overnight or for at least 4 hours.
Before serving, remove the pumpkin cheesecake from the mold, decorate it as desired with whipped cream or icing sugar and serve in slices... Buon appetito!
It can be kept in the fridge for 2-3 days closed in an airtight container, take it out 20 minutes before serving it.
*For celiacs, it is necessary to replace cookies with gluten-free dry biscuits, while for those who do not tolerate yeasts, it is possible to replace them with yeast-free shortbread.
**For those who are intolerant to dairy products, it is possible to replace ricotta and spreadable cheese with lactose-free ones.