01 - 
                Turn on your oven to 350°F (175°C). Toss the pistachios, breadcrumbs, Parmesan, feta, and melted butter in a bowl. Push this mixture into a springform pan's base and bake it for about 10 minutes until golden brown.
              
              
              
                02 - 
                Heat olive oil in a skillet over medium heat. Cook the mushrooms and garlic for 5-7 minutes, letting the extra liquid cook off. Let it cool after removing from heat.
              
              
              
                03 - 
                Whisk the cream cheese, sour cream, eggs, and Parmesan until it's smooth. Stir in the cooled mushroom mix and sprinkle in some salt and pepper to taste.
              
              
              
                04 - 
                Pour the filling over the cooked crust, spreading it out evenly. Bake for 35-40 minutes until it's golden and set in the middle.
              
              
              
                05 - 
                Let it rest for around 10 minutes, then top with fresh thyme and pistachios. Serve it warm or after it cools to room temperature.