Bring 1 cup water, grits, and ⅛ teaspoon salt to a boil over medium heat. Cook, stirring often, until thickened. Remove from heat, and let cool for 10 minutes.
Preheat oven to 375°. Place piecrust in a 9-inch pie pan, and crimp edges as desired.
In a medium microwave-safe bowl, add evaporated milk, butter, chocolate, sugar, and flour; heat on high for 1 minute. Remove from microwave, and whisk until smooth. Whisk in grits, eggs, vanilla, and remaining ½ teaspoon salt. Pour into prepared pie crust.
Bake until puffed and set in center, 25 to 30 minutes. Serve warm or cold with whipped cream.
Recipe by Southern Lady Magazine at https://southernladymagazine.com/grits-with-gusto-january-february-2024/