A rich, custard-like pie with a tangy buttermilk filling and warm spices, baked into a flaky crust. This Southern favorite balances sweet and creamy textures for a comforting homemade dessert.
1 unbaked 9-inch pie crust
1/2 cup unsalted butter, melted
1 cup granulated sugar
2 large eggs, room temperature
1 tablespoon all-purpose flour
1 cup buttermilk
1 teaspoon vanilla extract
1/4 teaspoon salt
1/2 teaspoon ground cinnamon (optional)
Preheat oven to 350°F (175°C)
Roll out and fit pie crust into a 9-inch pie dish, trimming edges and chilling
In a large bowl, whisk melted butter and sugar until smooth
Whisk in eggs until fully incorporated
Add flour, buttermilk, vanilla, salt, and cinnamon (if using), blending thoroughly
Pour filling into prepared crust
Bake for 45-55 minutes, until set and golden
Cool completely before serving
Use room-temperature eggs for smooth emulsification
For gluten-free version, substitute all-purpose flour with gluten-free blend + 1/2 tsp xanthan gum
If buttermilk isn’t available, substitute with 1 cup milk + 1 tbsp lemon juice (let sit 5 minutes)
Optional spices: try nutmeg or pumpkin pie spice for variation