Buttermilk Pie Southern Custard

Featured in: Everyday Home Cooking

This classic Southern pie features a smooth, tangy custard filling made with buttermilk, eggs, sugar, and subtle spices. Housed in a flaky pie crust, it offers a perfect balance of sweetness and texture. Preparation is straightforward, involving mixing the filling ingredients and baking until golden and set. Serve it chilled or at room temperature, optionally garnished with whipped cream or fresh berries for added freshness. Ideal for gatherings or casual desserts, this pie brings Southern comfort to your table with ease.

Updated on Fri, 09 Jan 2026 09:49:00 GMT
Golden-brown buttermilk pie, invitingly sliced, showcasing a creamy, custard filling after baking. Save
Golden-brown buttermilk pie, invitingly sliced, showcasing a creamy, custard filling after baking. | joliekitchen.com

My grandmother kept a worn index card in her kitchen drawer with buttermilk pie written in fading pencil—no measurements, just a note that said "trust your instincts." I found it years later while helping her pack, and the first time I made it from memory, I realized the magic wasn't in precision but in that peculiar tangy custard that somehow becomes creamy, custardy, and almost too simple to believe. The filling rises and wobbles like something caught between cake and cream pie, and the kitchen fills with this gentle, nutmeg-warm smell that makes everyone stop what they're doing.

I made this for a potluck once when I was nervous about fitting in at a new job, and someone came back into the kitchen asking if I'd written down the recipe—turns out buttermilk pie had been their late mother's specialty. We ended up talking for twenty minutes about the difference between a good pie and a memorable one, and I've been making it ever since as a kind of quiet kindness.

Ingredients

  • 1 unbaked 9-inch pie crust: Use store-bought if you're short on time, or make your own if you enjoy that buttery, flaky satisfaction—either way works beautifully.
  • 1½ cups granulated sugar: This is what makes the filling sweet and gives it that distinctive texture as it bakes.
  • 3 tablespoons all-purpose flour: It thickens the custard just enough so it doesn't run, but not so much that it becomes dense.
  • ½ cup unsalted butter, melted and cooled: Let it cool slightly so it doesn't scramble the eggs—this step actually matters.
  • 3 large eggs: They're the binder that turns everything into something creamy and dreamlike.
  • 1 cup buttermilk: The star player—its tang cuts through the sweetness in the most unexpected, perfect way.
  • 1 tablespoon lemon juice: Brightens the flavor without making it taste like lemon pie; it's whisper-quiet but essential.
  • 1 teaspoon vanilla extract: Rounds out all the flavors so nothing feels sharp or one-note.
  • ¼ teaspoon ground nutmeg: A pinch of warmth that nobody can quite identify but everyone notices.
  • ¼ teaspoon salt: Brings everything into focus—don't skip it.

Instructions

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Heat your oven to 350°F:
Set it now so it's ready when you are—an even, moderate temperature keeps the filling from cracking or browning too fast.
Settle the crust into the dish:
Press it gently into the corners and crimp the edges however makes you happy, then take a breath; you're off to a good start.
Whisk sugar and flour together:
This combination prevents lumps and helps distribute the thickening power evenly through the filling.
Fold in the cooled butter:
Stir until it's completely mixed in and the texture looks like wet sand.
Add eggs one at a time:
Whisking each one in fully before adding the next keeps the mixture smooth and silky; rushing this makes scrambled egg flecks, which we want to avoid.
Stir in buttermilk, lemon juice, vanilla, nutmeg, and salt:
Mix until everything is completely combined and the filling looks like a pale, creamy custard.
Pour the filling into the waiting crust:
Go slowly so it settles evenly—you're about to create something wonderful.
Bake for 40 to 50 minutes:
The pie is done when the center still jiggles just slightly when you shake the dish gently, and the top is a light, even golden brown; overbaking makes it crack.
Cool completely on a rack:
Let it sit for hours if you can—this patience is what transforms it from hot custard into something sliceable and perfect.
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There's a moment when everyone takes the first bite and goes quiet for just a second—that's when you know you've gotten it right. It's one of those desserts that doesn't need anything, but a dollop of whipped cream or a handful of fresh berries makes it feel even more like a celebration.

The Untold Magic of Buttermilk

Buttermilk isn't just a sour addition—it's a flavor transformer. When it meets sugar and heat, something almost alchemical happens: the filling becomes simultaneously custardy and cakey, rich but not heavy, sweet but not cloying. This pie proves that sometimes the most memorable desserts come from understanding one ingredient deeply rather than piling on complications.

Serving and Storage Wisdom

This pie tastes wonderful at room temperature, which makes it perfect for gatherings where you don't want to fuss with reheating. It also chills beautifully in the refrigerator, developing a firmer texture that some people prefer—experiment and find your favorite way to eat it. Leftovers stay fresh for up to three days if you cover them loosely, though honestly, it rarely lasts that long.

Small Adjustments That Make a Difference

If you love tang, add up to two tablespoons more lemon juice—it won't break the recipe, just makes the flavor braver and more interesting. A little extra nutmeg sprinkled on top before baking fills the kitchen with an even warmer aroma and looks like you cared about the details. These small moves are how a good pie becomes the one people ask you to make again and again.

  • Let the butter cool to room temperature before mixing; warm butter and eggs don't play well together.
  • Don't skip crimping the crust edges—it's both practical and pretty, a small act of care that matters.
  • If your pie crust comes frozen, thaw it first; a cold crust can cause the filling to bake unevenly.
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A slice of Southern buttermilk pie reveals a sweet, tangy custard baked in a flaky crust. Save
A slice of Southern buttermilk pie reveals a sweet, tangy custard baked in a flaky crust. | joliekitchen.com

Buttermilk pie is proof that the best desserts don't need to be complicated—they just need to be made with attention and served with warmth. Make it for someone you care about, or make it for yourself on an ordinary Tuesday when you want to feel a little bit special.

Questions & Answers

What type of crust works best?

A 9-inch unbaked pie crust, either homemade or store-bought, creates a flaky base that complements the rich filling.

How can I add more tanginess?

Increase the lemon juice up to 2 tablespoons for a brighter, tangier flavor without overpowering the custard.

Can I enhance the aroma of the filling?

Sprinkling a bit more ground nutmeg on top before baking adds a warm, inviting fragrance.

How should the pie be served?

Let it cool completely on a wire rack, then serve at room temperature or chilled, optionally with whipped cream or fresh berries.

How long does it keep fresh?

Store any leftovers in the refrigerator for up to 3 days to maintain freshness and texture.

Buttermilk Pie Southern Custard

Rich tangy custard with flaky crust, a simple sweet Southern dessert for any occasion.

Prep Time
15 min
Time to Cook
45 min
Overall Time
60 min
Created by Nathaniel Weber


Skill Level Easy

Cuisine Type Southern American

Makes 8 Portions

Diet Details Meat-Free

What You Need

Crust

01 1 unbaked 9-inch pie crust (homemade or store-bought)

Filling

01 1½ cups granulated sugar
02 3 tablespoons all-purpose flour
03 ½ cup unsalted butter, melted and cooled
04 3 large eggs
05 1 cup buttermilk
06 1 tablespoon lemon juice
07 1 teaspoon vanilla extract
08 ¼ teaspoon ground nutmeg
09 ¼ teaspoon salt

How-To Steps

Step 01

Preheat oven: Set oven temperature to 350°F and prepare for baking.

Step 02

Prepare crust: Position the unbaked pie crust into a 9-inch pie dish and crimp the edges as preferred.

Step 03

Combine dry filling ingredients: In a large bowl, whisk granulated sugar and all-purpose flour until well mixed.

Step 04

Add melted butter: Pour the cooled melted unsalted butter into the sugar-flour mixture and blend thoroughly.

Step 05

Incorporate eggs: Beat in the eggs one at a time, whisking continuously until the mixture is smooth and homogenous.

Step 06

Add remaining filling ingredients: Stir in buttermilk, lemon juice, vanilla extract, ground nutmeg, and salt until fully combined.

Step 07

Fill crust: Pour the prepared filling evenly into the pie crust.

Step 08

Bake pie: Place in oven and bake for 40 to 50 minutes, or until the center has set and the top is lightly golden.

Step 09

Cool and serve: Allow the pie to cool completely on a wire rack before slicing. Serve at room temperature or chilled.

Gear Needed

  • 9-inch pie dish
  • Mixing bowls
  • Whisk
  • Measuring cups and spoons
  • Wire rack

Allergy Notice

Review each item for allergens and talk to a healthcare provider if needed.
  • Contains eggs, milk (buttermilk, butter), and wheat (pie crust, flour).
  • Store-bought pie crusts may contain soy or nuts; verify packaging.

Nutrition (each serving)

Details shown here are for information and don't replace professional guidance.
  • Energy: 330
  • Fats: 15 g
  • Carbohydrates: 44 g
  • Proteins: 4 g