01 -
Preheat the oven to 175°C and grease a 23 cm pie plate or springform pan to prevent sticking.
02 -
Melt the butter with 340 grams of semi-sweet chocolate chips in a heatproof bowl over a double boiler or in a microwave at 50% power in 30-second increments, stirring until smooth. Set aside to cool.
03 -
Using an electric mixer, beat the eggs, sugar, and vanilla extract on medium-high speed for 3 minutes until the mixture is light and fluffy.
04 -
Once cooled, gradually add the melted chocolate mixture to the egg mixture, blending until fully incorporated.
05 -
Gently fold in the flour, baking powder, and salt until just combined. Stir in the remaining 170 grams of chocolate chips for added texture.
06 -
Pour the batter evenly into the prepared crust. Bake for 35 to 40 minutes until the center is set and a toothpick inserted comes out with moist crumbs.
07 -
Allow the pie to cool completely in the pan before topping with hot fudge sauce to finish.