Water Pie Custard Vanilla Crust

Featured in: Sweet Treats

This nostalgic dessert is made from just water, butter, sugar, flour, and vanilla, baked into a flaky pie crust. The result is a surprisingly smooth custard-like filling with hints of vanilla and a crisp, sugary top. After baking, the pie sets with a gentle jiggle and cools to a light, creamy texture. Perfect for those who appreciate simple, pantry-based sweets, water pie delivers comfort by transforming minimal ingredients into a memorable treat. Enjoy chilled for best texture, optionally served with fresh berries or whipped cream.

Updated on Fri, 07 Nov 2025 10:18:00 GMT
Creamy water pie baked to golden perfection, a nostalgic American dessert delight.  Pin
Creamy water pie baked to golden perfection, a nostalgic American dessert delight. | kitchenprairie.com

A nostalgic dessert from the Great Depression era, water pie transforms simple pantry staples into a surprisingly creamy, custard-like treat with a delicate vanilla flavor and crisp, sugary crust.

I first tasted water pie while exploring old family recipes and was amazed by its simplicity and gentle vanilla flavor that reminds me of holidays spent baking with my grandmother.

Ingredients

  • Unbaked 9-inch pie crust: Store-bought or homemade
  • Water: 1 1/2 cups
  • Unsalted butter: 4 tablespoons
  • Granulated sugar: 3/4 cup
  • All-purpose flour: 3 tablespoons
  • Vanilla extract: 1 teaspoon
  • Salt: Pinch

Instructions

Prepare the oven:
Preheat your oven to 400°F (200°C).
Arrange the crust:
Place the unbaked pie crust into a 9-inch pie pan and crimp the edges as desired.
Add water:
Pour the water directly into the pie crust.
Combine dry ingredients:
Mix together the sugar and flour in a small bowl until thoroughly combined. Sprinkle evenly over the water in the crust.
Flavor and salt:
Drizzle vanilla extract over the top and add a pinch of salt.
Add butter:
Slice the butter into thin pats and distribute evenly over the surface.
Bake the pie:
Carefully transfer the pie to the lower oven rack and bake for 30 minutes at 400°F (200°C).
Lower temperature:
Reduce oven temperature to 375°F (190°C) and bake for an additional 20 minutes, until the crust is golden and the filling is set with a slight jiggle in the center.
Cool and serve:
Remove from oven, cool completely to room temperature, and refrigerate for at least 2 hours before slicing.
Deliciously simple water pie topped with buttery sweetness, perfect for family gatherings.  Pin
Deliciously simple water pie topped with buttery sweetness, perfect for family gatherings. | kitchenprairie.com
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Sharing water pie at a family gathering sparked stories about creative baking during challenging times and brought smiles around the table.

Required Tools

You will need a 9-inch pie pan, mixing bowl, measuring cups and spoons, and an oven.

Allergen Information

Contains wheat (gluten) and dairy (butter). Check your store-bought crust ingredients for possible egg, dairy, or soy.

Nutritional Information

Each serving contains about 210 calories, 8 g total fat, 33 g carbohydrates, and 2 g protein.

Classic water pie cooling on the counter, ready to serve with fresh berries. Pin
Classic water pie cooling on the counter, ready to serve with fresh berries. | kitchenprairie.com

Enjoy a nostalgic slice of water pie for dessert and share a piece of history with your loved ones.

Recipe Questions & Answers

What gives water pie its creamy texture?

The combination of flour, sugar, butter, and water forms a custard-like filling after baking, offering smoothness and creaminess.

Can I add spices to water pie?

Yes, ground cinnamon or nutmeg can be added for a warm, aromatic flavor.

Is water pie suitable for vegetarians?

It uses butter and a standard pie crust, making it vegetarian-friendly.

How long does the pie need to cool?

Cool to room temperature, then refrigerate for at least two hours for optimal texture and easier slicing.

Can I use plant-based butter and crust?

Absolutely, these substitutions yield a vegan-friendly version.

How should water pie be served?

Serve chilled, with fresh fruit or whipped cream for added flavor and presentation.

Water Pie Custard Vanilla Crust

Creamy vanilla filling and crisp crust blend for a simple, nostalgic Great Depression-era American dessert.

Prep duration
10 min
Cook duration
50 min
Complete duration
60 min


Skill level Easy

Heritage American

Output 8 Portions

Diet specifications Vegetarian

Components

Pie

01 1 unbaked 9-inch pie crust
02 1 1/2 cups water
03 4 tablespoons unsalted butter
04 3/4 cup granulated sugar
05 3 tablespoons all-purpose flour
06 1 teaspoon vanilla extract
07 Pinch of salt

Directions

Phase 01

Prepare Oven: Preheat oven to 400°F. Position rack to lower setting.

Phase 02

Prepare Pie Crust: Place unbaked 9-inch pie crust into a pie pan and crimp the edges.

Phase 03

Add Water: Pour water directly into the pie crust.

Phase 04

Combine Dry Ingredients: Mix sugar and flour in a bowl until fully blended. Sprinkle this mixture evenly over the water.

Phase 05

Flavor and Season: Drizzle vanilla extract over the top and add a pinch of salt.

Phase 06

Add Butter: Slice butter into thin pats and distribute evenly across the surface.

Phase 07

Initial Bake: Place pie on the lower oven rack and bake for 30 minutes at 400°F.

Phase 08

Finish Baking: Reduce oven temperature to 375°F and continue baking for 20 minutes until crust is golden and filling is set with a gentle jiggle.

Phase 09

Cooling: Remove pie from oven, let cool to room temperature, and refrigerate for at least 2 hours before slicing.

Necessary tools

  • 9-inch pie pan
  • Mixing bowl
  • Measuring cups and spoons
  • Oven

Allergy details

Review each component for potential allergens and consult with healthcare professionals if you're uncertain.
  • Contains wheat and dairy. Store-bought crust may include egg, dairy, or soy.

Nutrient content (each portion)

This data is offered as a general guide and isn't a substitute for professional medical guidance.
  • Energy: 210
  • Fat: 8 g
  • Carbohydrates: 33 g
  • Protein: 2 g