Preparing Magical Grandma’s Chocolate Pie can be straightforward if you follow these simple steps:

1. Preheat The Oven: Start by preheating your oven to 350°F (175°C).

2. Prepare the Pie Crust: Fit your pre-made pie crust into a 9-inch pie pan. Prick the bottom with a fork to prevent bubbling, and pre-bake it for about 10 minutes. Remove from the oven and set aside.

3. Mix Dry Ingredients: In a medium saucepan, whisk together the granulated sugar, cocoa powder, cornstarch, and salt until well combined.

4. Add Milk Gradually: Slowly add the milk to the dry mixture. Whisk continuously to incorporate everything without lumps.

5. Cook the Mixture: Place the saucepan over medium heat. Stir constantly until the mixture thickens and starts to bubble. It should take about 10 minutes.

6. Add Egg Yolks: In a separate bowl, whisk the egg yolks. Gradually add a small amount of the hot chocolate mixture to the yolks to temper them. Then return the yolk mixture to the saucepan, stirring constantly until thickened, about 2–3 minutes.

7. Finish the Filling: Remove the saucepan from heat. Stir in the butter and vanilla extract until melted and combined. Pour the chocolate filling into the pre-baked pie crust.

8. Cool: Allow the pie to cool at room temperature for 30 minutes. Then refrigerate for at least 2 hours before serving, to ensure the filling sets properly.

By following these simple instructions, you’ll have a wonderful chocolate pie that’s sure to impress anyone who tries it.