Grandma'S Chocolate Pie - cooking recipe

Ingredients

3 1/2 ounces jello chocolate pudding mix (cook & serve, not instant)
2 cups milk
1/3 cup chocolate chips
1/2 teaspoon vanilla extract
2 tablespoons butter
1 pie crust

Preparation

In a medium saucepan, stir pudding mix into 2 cups milk with wire whisk.
Stirring constantly, cook on medium heat.
Add chocolate chips while heating, stirring until they are melted. Continue cooking until mixture comes to full boil.
Remove from heat; add butter and vanilla.
Put lid on pot and let sit for 5 minutes.
Pour into your favorite pie crust and refrigerate until set.
Serve with whipped cream or cool whip.