Grandma Old Fashioned Sweet Potato Pie Recipe

Are you looking for a delicious and easy dessert perfect for Thanksgiving or the fall season? grandma old fashioned sweet potato pie recipe offers the best of both. It’s a moist filling made with mashed sweet potato with a crunchy, golden-brown crust and you can prepare it as an alternative for pumpkin pie.

This recipe brings about a smooth and creamy sweet potato filling perfectly balanced between spice and sweetness with a hint of cinnamon paired with a touch of vanilla.

Generally, the pie is baked in a double-crust pie tin, making it super easy to create. The result is a beautifully tender and flaky crust layer that contrasts nicely against the slightly spongy filling.

What you need for Grandma Old Fashioned Sweet Potato Pie Recipe 

Sweet potatoes

Use two medium-sized sweet potatoes that are boiled until soft. Drain off any excess water and mash them thoroughly. You can also use roasted ones, which are known to be more flavorful.

Brown Sugar

Preferably a half-cup light or dark brown for preparing the crust. Substituting this with granulated sugar will affect both the texture and flavor of your custard.

Granulated sugar

Use a cup of this in the filling mixture to enhance the caramelization of your pie.


two large eggs are enough to bring out a custard-like consistency from the sweet potato mixture. 


Use one stick of unsalted butter to ensure the crust stays flaky when baked. The unsalted butter also helps control the salt flavor and should be softened at room temperature without melting.

Heavy Cream

Two tablespoons of heavy cream is the perfect amount of moisture required. You can choose to substitute heavy cream with whole milk.


Use 2 tbsp. of flour as a thickening agent to the filling. 

Vanilla extract

It brings out warm notes of spices and significantly boosts the flavors of your pie. If you want to skip this step, add some plain yogurt instead. Use a half tsp of either.


A pinch of ground nutmeg and cloves adds up to pleasing results. Cinnamon, ginger, and black pepper can be added if you want to enhance the taste of the pie.


A small dash of fine sea salt improves the overall balance of flavors and enhances its depth.

Pie crust

You can buy from the store or prepare one at home with flour, brown sugar, butter, and lukewarm salted water.

Grandma Old Fashioned Sweet Potato Pie Recipe Steps

Step 1: Prepare the pie crust

Start by making a pie crust and chill it in the freezer. To prepare the crust, combine the flour, brown sugar, and salt in a bowl. Add 3 tbsp. of cold buttermilk slowly while mixing until you form a dough ball.

Knead briefly and press into a flat disc shape. Chill the dough in the refrigerator for about 20 minutes before rolling out to enhance a flaky texture.

Step 2: Prepare sweet potatoes.

Roast, boil, or steam your sweet potatoes until a fork can easily slide through them. Once cooked, peel and mash well using a masher or a hand blender. 

Step 3: Mix the filling ingredients

In another bowl, whisk the eggs and butter. Add the mashed sweet potato along with the milk, granulated sugar, vanilla extract, and other spices. Whisk until smooth.

Step 4: Assemble the pie.

Preheat the oven to 350°F. Roll out the chilled crust dough into an 11-inch circle that touches the rim of your pie pan. Transfer the rolled dough onto the prepared pie plate. Press lightly to transfer and trim away the overhang. Freeze the assembled pie shell for 5 minutes to firm up.

Remove it from the freezer and fill with the sweet potato mixture and bake for 25-30 minutes or until golden brown and set. Allow it to cool, serve as it is or add your favorite toppings.

Step 5: Adding toppings

Choose whatever toppings you like. For instance, you can top it with whipped cream, candied pecans, homemade Italian meringue, caramel sauce, or marshmallows.

Nutritional facts Per Serving:

  • Calories: 252 kcal
  • Protein: 6.8grams
  • Carbohydrates 29.7grams
  • Fat 11.9grams
  • Cholesterol 78.9milligrams
  • Sodium 400.2milligrams


Can I Freeze this Sweet Potato Pie?

Yes, you may freeze this recipe for a later date. All you have to do is cover and keep it in the fridge for up to 3 days. You can as well store it in an airtight container and put it in the freezer for up to 3 months.

However, covering loosely may lead to losing much of its flavors and end up becoming starchier.  Ensure to thaw first in the refrigerator for 12 hours before serving.

Is it Bad to Eat the Skin of Sweet Potatoes?

No it’s not bad. The reason we peel the potatoes is for the texture. We need our pie filling to me smooth with no bit’s of rough skin. The skin is totally fine to eat in other dishes.

What is the Difference Between Grandma Old Fashioned Sweet Potato Pie and Pumpkin Pie?

Basically, grandma old fashioned sweet potato pie recipe comprises the same ingredients as the pumpkin pie. So, the two are similar, but the sweet potato pie is a little denser and sweeter than the pumpkin pie.

So, if you like the pumpkin pie, you should try the sweet potato version too. It’ll give you a feel of what real sweet potato pie tastes like.


The grandma old-fashioned sweet potato pie recipe is a simple-to-go recipe that is made to last and tastes great after several reheats. It’s simply a generational recipe passed on for ages.

If you are looking for a quick yet delicious grab to take for a holiday or to include in your thanksgiving ceremony, then this is one recipe that you shouldn’t miss.

CHECK ALSO: Seasoning for Sweet Potato Fries.

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