Ingredients
The crust:
1 fully baked 8 3/4 inch (22cm) tart shell made from Sweet Tart Dough, cooled to room temperature
The Filling:
2/3 cup (200g) Nutella
4 3/4 ounces (140g) bittersweet chocolate, preferably Valrhona Noir Gastronomie, finely chopped
7 tbsps (3 1/2 ounces, 200g) unsalted butter
1 large egg, at room temperature, stired with a fork
3 large egg yolks, at room temperature, stirred with a fork
2 tbsp sugar
1 cup (140g) hazelnuts toasted,skinned and cut into large pieces
Preparation
