Amish peanut butter cream pie stacks a sweet, sandy peanut butter crumble with cooked vanilla custard and whipped cream in a baked crust. Hands-on time is about 40 minutes. After that it needs roughly four and a half hours to cool and set. It suits anyone who wants peanut butter flavor without a heavy, dense filling.
Where Cream Pies Fail: A Loose Filling and a Wet Crust
Almost every complaint about this pie comes down to two problems. The custard never sets firmly, or the crust turns soft under it.
Both have plain causes. A custard thickened with cornstarch and egg yolks has to bubble for a full minute. Stop at the first bubble and it can thin out again in the fridge. The crust goes soggy when hot custard lands on it, or on the crumble lining it.
Fix those two points and the rest is easy. The peanut butter crumble needs no cooking. The whipped cream takes three minutes.
The custard here is close to the filling in our Amish baked custard, only cooked on the stove and thickened enough to slice.
What You Need
Crust
- 1 (9-inch) pie crust, fully baked and cooled (a graham cracker crust works too)
Peanut butter crumble
- ½ cup creamy peanut butter, regular style (not natural)
- 1 cup powdered sugar, plus a spoonful more if needed
Vanilla custard
- 3 cups whole milk, divided
- ⅔ cup granulated sugar
- ⅓ cup cornstarch
- ½ teaspoon salt
- 3 large egg yolks
- 2 tablespoons unsalted butter
- 1 teaspoon vanilla extract
Whipped cream
- 1 cup cold heavy whipping cream
- 2 tablespoons powdered sugar
- 1 teaspoon vanilla extract
Natural peanut butter separates and makes a greasy crumble. Use a stirred, shelf-stable jar. Whole milk matters too: skim milk gives a thinner, paler custard.
Reading the crumble
| What you see | What it means | Fix |
|---|---|---|
| A smooth paste that sticks to the fork | Too little sugar | Add powdered sugar, 1 tablespoon at a time |
| Pea-size clumps with some fine crumbs | Right | Stop mixing |
| Dry powder that will not clump | Too much sugar | Work in 1 teaspoon peanut butter |
How It Comes Together
1. Get the crust ready
Bake the crust fully before you start the custard. For a store-bought crust, follow the package directions for a fully baked shell. Let it cool completely.
The bottom should look dry and evenly golden, with no pale or shiny patches.
2. Make the crumble
Put the peanut butter and powdered sugar in a bowl. Cut them together with a fork or pastry blender. Rub any big lumps between your fingertips.
It should look like damp sand with pea-size clumps.
3. Heat the milk
Pour 2½ cups of the milk into a medium saucepan. Add the sugar and salt. Warm over medium heat, stirring now and then, until the sugar dissolves and the milk steams.
Small bubbles should form around the edge, not across the surface.
4. Mix the yolks and cornstarch
In a bowl, whisk the remaining ½ cup cold milk with the cornstarch until smooth. Whisk in the egg yolks. Slowly pour in about 1 cup of the hot milk while whisking. Then pour everything back into the saucepan.
The mixture should be smooth and pale yellow, with no white streaks of cornstarch.
5. Cook the custard past the boil
Whisk constantly over medium heat, scraping the corners of the pan. It will thicken suddenly after a few minutes. Once large bubbles break the surface, keep whisking for 1 more minute. Take it off the heat and stir in the butter and vanilla.
The whisk should leave trails that hold their shape for a second or two.
6. Cool the custard
Scrape the custard into a bowl. Press plastic wrap directly onto the surface to stop a skin forming. Leave it on the counter for about 45 minutes.
It should feel barely warm when you touch the bowl, not hot.
7. Layer and chill
Scatter about two-thirds of the crumble over the bottom of the crust. Spoon the custard over it and smooth the top. Cover and refrigerate for at least 4 hours.
When set, the surface should not move when you tilt the pie.
8. Top and serve
Whip the cream with the powdered sugar and vanilla to medium-stiff peaks. Spread it over the cold custard. Sprinkle the remaining crumble on top. Slice with a knife dipped in hot water.
The peaks should stand up but bend slightly at the tip.
Is the Custard Thick Enough?
Do not rely on time alone. Stoves vary, and so do pans.
- Bubbles: big, slow bubbles that pop through a thick surface, not a rapid simmer.
- Spoon test: dip a spoon and draw a finger across the back. The line should stay clean.
- Temperature: dishes made with eggs should reach at least 160°F, per the FoodSafety.gov temperature chart. A custard held at a bubble for a minute is well past that.
If the custard is lumpy, push it through a fine sieve before cooling. Lumps usually mean the corners of the pan were not scraped.
Three Mistakes That Cost You Clean Slices
- Pouring the custard hot. Heat melts the bottom crumble into a paste and steams the crust. Wait the 45 minutes.
- Pulling it off at the first bubble. Egg yolks contain an enzyme that can break down cornstarch. A full minute at the boil stops it. Undercooked custard often looks fine, then turns runny overnight.
- Topping it too early. Whipped cream on a warm or day-old pie weeps. Add it close to serving if you can.
Other Directions
- Chocolate: drizzle melted chocolate over the whipped cream, or go further with a chocolate peanut butter cream pie.
- Graham crust: swap the pastry for a graham cracker crust. It is sweeter and needs no blind baking.
- Banana layer: lay thin banana slices over the bottom crumble before the custard. Serve it the same day.
- No stove: if you want peanut butter in the filling itself, a fluffy no-bake peanut butter pie skips the custard entirely.
How Long It Keeps
Keep the pie covered in the fridge and eat it within 2 to 3 days. The crust softens a little each day, so leave the edges uncovered if you can.
Freezing is not a good idea. Cornstarch custard weeps and turns spongy once thawed. You can make the custard layer a day ahead and add the whipped cream before serving.
For a homemade shell, the pastry in our classic apple pie bakes up well for a single crust.
FAQ
What makes a peanut butter pie Amish?
The Amish style keeps the peanut butter out of the filling. It goes into a sweet crumble layered with plain vanilla custard. Most other peanut butter pies beat it into a cream cheese or pudding filling instead.
Can I use instant vanilla pudding?
Yes, and it saves about 20 minutes. Make it with whole milk using the pie-filling directions on the box, and let it set before layering. The texture is softer and the flavor more artificial than a cooked custard.
Why is my cream pie runny?
The custard was not cooked long enough after it started to bubble. It can also happen if the pie was sliced before the 4-hour chill. Hot custard poured into the crust adds moisture too.
Can I make it the day before?
Yes. Make the crust, crumble and custard layer the day before and keep it covered in the fridge. Whip the cream and add the top crumble a few hours before serving.
Amish Peanut Butter Cream Pie
Ingredients
Equipment
Method
- Bake the pie crust fully according to your recipe or the package directions for a baked shell, then cool it completely.
- Cut the peanut butter and powdered sugar together with a fork or pastry blender until the mixture forms pea-size crumbs. Add powdered sugar 1 tablespoon at a time if it stays pasty.
- Heat 2 1/2 cups of the milk with the sugar and salt in a medium saucepan over medium heat, stirring now and then, until the sugar dissolves and the milk steams.
- Whisk the remaining 1/2 cup cold milk with the cornstarch until smooth, then whisk in the egg yolks. Slowly whisk in about 1 cup of the hot milk, then pour everything back into the saucepan.
- Cook over medium heat, whisking constantly and scraping the corners, until thick. Once large bubbles break the surface, keep whisking for 1 more minute. Remove from the heat and stir in the butter and vanilla.
- Transfer the custard to a bowl, press plastic wrap onto the surface and cool on the counter for about 45 minutes, until barely warm.
- Scatter about two-thirds of the crumble over the bottom of the crust. Spread the custard over it, cover and refrigerate for at least 4 hours.
- Whip the cream with the powdered sugar and vanilla to medium-stiff peaks. Spread it over the chilled custard and sprinkle with the remaining crumble. Slice with a knife dipped in hot water.
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