How many pies?
A 9″ pie divides into eight standard slices; at a holiday table with one dessert, six generous slices is the honest number. Plan from this table, then round up — Thanksgiving leftovers are a feature:
| Guests | Pies (generous · 6 slices each) | Pies (standard · 8 slices) |
|---|---|---|
| 4 | 1 | 1 |
| 6 | 1 | 1 |
| 8 | 2 | 1 |
| 10 | 2 | 2 |
| 12 | 2 | 2 |
| 16 | 3 | 2 |
| 20 | 4 | 3 |
Serving several desserts? Count total slices, not slices per dessert: for 12 guests with pumpkin pie, pecan pie and a cake, twelve to sixteen total slices across all three is plenty. (If one of those desserts is a layer cake, the cake serving calculator gives exact Wilton-chart counts per pan size.)
Scaling one dough recipe to the whole holiday
Pie dough scales cleanly by weight, so make all of it in one or two batches instead of repeating a single-crust recipe four times. A typical single-crust dough starts from 1⅓ cups all-purpose flour; three crusts means 3× everything — 4 cups all-purpose flour, and so on down the ingredient list. Paste your own recipe below and set the factor to your pie count (each 9″ crust ≈ one single-crust recipe; a double-crust pie counts as two):
Two honest caveats at holiday scale: add the ice water gradually and judge by feel — flour dryness varies more than any recipe admits — and chill the dough in per-crust discs, not one giant block, so it rolls straight from the fridge.
Standard vs deep-dish: the filling math
"9-inch pie plate" describes two different vessels. By geometry, a standard 9″ × 1¼″ plate holds about 5.5 cups brim-full, while a 9″ × 2″ deep-dish holds about 8.8 — roughly 1.6× the capacity. (These are geometric estimates for the plate itself; fillings mound or sit below the rim depending on the pie.) The practical rules:
- Deep-dish recipe → standard plate: you'll have filling left over. Bake the surplus in ramekins as crustless custards rather than overfilling — pumpkin pie that rises over the rim cracks as it settles.
- Standard recipe → deep-dish plate: it fits easily but bakes shallower than the recipe expects; start checking 10 minutes early. Custard pies are done when the center jiggles like set gelatin, about 175–180°F internal.
- Own an odd-sized plate? The pan volume calculator gives its capacity from diameter and depth in one step.
One oven, one day: the schedule that works
The turkey owns the oven at 325°F for most of Thursday; pies want 350–425°F. The schedule that removes all conflict:
- Up to a month ahead: make and freeze dough discs. Thaw overnight in the fridge before rolling.
- Wednesday: bake every pie. Fruit pies hold beautifully at room temperature overnight (loosely covered); custard pies (pumpkin, pecan) go to the fridge once cool. Wednesday's oven is empty and yours.
- Thursday: the turkey bakes; you don't. While it rests — a solid 30–45 minutes it needs anyway — the oven is free at high heat for rolls and crisping sides.
- Serving: room-temperature pie is correct. If you want pumpkin pie warm, 10–15 minutes at 300°F while dinner is cleared, not a microwave.
Baking from a UK/EU recipe, or in a fan oven? The oven temperature converter maps °F ↔ °C ↔ gas marks, including the fan-oven reduction.