Ingredients
Method
Making the Pie Crust
- In a large bowl, whisk together the flour, sugar, and salt until evenly combined.
- Cut the butter into 10-12 small pieces, tossing them with the flour mixture. Work the butter into the flour until it resembles coarse crumbs.
- In a separate bowl, combine water and buttermilk, then pour the mixture over the flour-butter combination. Toss until combined, then knead gently until the dough comes together.
- Turn the dough onto a floured surface and roll it into a rectangle. Fold both short ends towards the center, then fold again in half to create a fat square. Roll into a 10-inch square, fold into thirds, and refrigerate for at least 1 hour.
Prepare the Pie Pan
- Once chilled, divide the dough into two halves and roll one to fit your pie pan.
- Carefully fold the dough into quarters to transfer it to the pan, then unfold and press to fit.
- Trim the edges, leaving a 1-inch overhang, tucking it underneath for a thicker rim. Crimp as desired.
- Freeze the crust until very hard, at least an hour.
Blind Baking the Crust
- Preheat your oven to 375°F (190°C). Prick the chilled crust all over.
- Line the pastry with parchment or plastic wrap, filling with beans or rice for weight. Bake for about 15 minutes.
- Remove the weight and liner, brush the crust with an egg wash, and return to the oven until the crust is dry, about 10 more minutes.
Preparing the Filling
- In a heavy-bottomed saucepan, combine 9 ounces of sugar with enough water to wet it completely. Heat over medium-high until boiling.
- Cover for 2 minutes to wash down sugar crystals, then watch the sugar caramelize to a deep reddish-brown color.
- Remove from heat and set the pan in an ice bath, then whisk in buttermilk over medium-low heat until smooth.
Finishing the Filling
- In a separate bowl, whisk together eggs, flour, and cocoa powder until smooth.
- Slowly add the egg mixture into the caramel mixture, along with melted butter, espresso powder, vanilla, and salt. Adjust sweetness to taste.
- Pour the filling into the pre-baked pie shell and bake at 400°F (200°C) for 10 minutes, then reduce to 375°F (190°C) and bake until the center wobbles (about 30-35 minutes).
Final Steps
- Remove from the oven and cool on a wire rack. Serve barely warm or refrigerate leftovers.
Notes
Use icy cold butter for flaky crust. Allow pie to cool completely before slicing for cleaner pieces.
