Preheat oven to 400°F.
Using a food processor, mix together dry ingredients.
1 ½ cups all purpose flour, sifted, ¼ cup cocoa powder, ¼ cup powdered sugar, ½ teaspoon salt
Then, add cubed butter and pulse just until mixed in to the dry ingredients.
1 stick unsalted butter, cold, cut into pea-sized pieces
Lastly, add a tablespoon of ice water and pulse; repeat adding ice water this way until dough sticks together.
A few tablespoon ice water
Roll out dough on a lightly floured surface and press into pie pan. Cover with a sheet of parchment and add pie weights (ceramic, dry beans, rice, etc).
Vegetable shortening for greasing pan
Blind bake crust for 30 minutes. Remove and let cool on the counter.
While the crust is cooling, chop the berries into large chunks.
About 3 cups of your favorite berries, cut into large pieces (strawberries, blueberries, raspberries, blackberries, etc)
Next, using a stand mixer with whisk attachment or handheld electric mixer, whisk together all filling ingredients (except the berries) until you get firm peaks.
8 ounces mascarpone cheese, 2 cups heavy cream, ⅓ cup powdered sugar, ½ teaspoon vanilla extract
Fill the pie crust halfway with half of the whipped filling, then top with berries.
Finally, add the rest of the whipped filling on top, and top with berries.
Serve immediately or store in fridge for up to 2 days. Enjoy!