Scaling Your Menu for Thanksgiving

A weekly dinner menu is built for 4 people. Thanksgiving is built for however many people actually show up — 6, 12, 20 — and “just make more” isn’t a plan, it’s a guess that usually ends in three empty side dishes and a half-eaten turkey. Scaling a Thanksgiving menu is a math problem with a fixed answer, not a feel problem.

Why “just make extra” doesn’t work

Doubling a weekly recipe works fine for two extra people. It stops working at Thanksgiving scale, because different dishes scale at different rates — a turkey scales by weight, a pie doesn’t scale at all past a certain guest count (you just make a second pie), and a side dish scales almost exactly linearly per person. Treating them all the same is what leads to five pounds of leftover green beans and a stuffing bowl that’s empty by 2pm.

The Per-Person Method

Guests

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Per-Person Method

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Food Quantities

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Shopping List

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Budget

Quantities and money are two different steps — this post handles the food. Once you know what you need, [the Thanksgiving budget split](/blog/thanksgiving-budget-split/) is where those quantities turn into dollars.

Instead of guessing, each dish category gets its own fixed per-person amount, then multiplied by your actual guest count:

Per-Person Base Amounts

Turkey: 1.5 lbs per person (see the Turkey Size Calculator for leftovers-adjusted amounts)
Mashed potatoes: ⅓ cup per person
Stuffing: ½ cup per person
A vegetable side: ½ cup per person
Dinner rolls: 1.5 rolls per person
Pie: 1 slice per person, 8 slices per pie
Drinks: about 12 oz per person, combined across wine, cider, soda, and coffee — split the mix to match your table

Why per-person, not per-recipe? A recipe is written for a fixed number of servings that has nothing to do with your actual guest count. Per-person amounts scale exactly to any number of guests — 6 or 26 — without needing a different recipe each time.

What about kids? Children under 8 usually eat about half an adult portion — count them as 0.5 guests when scaling the food amounts above. Still count them as full guests for seating and table settings, though; a plate is a plate regardless of portion size.

Quantities table: 4 to 20 guests

Guests	Turkey (lbs)	Mashed Potatoes	Stuffing	Vegetables	Rolls	Pies	Drinks (12 oz)
4	6	1⅓ cups	2 cups	2 cups	6	1	4
6	9	2 cups	3 cups	3 cups	9	1	6
8	12	2⅔ cups	4 cups	4 cups	12	2	8
12	18	4 cups	6 cups	6 cups	18	2	12
20	30	6⅔ cups	10 cups	10 cups	30	3	20

Round pies up, not down — a fractional pie isn't buyable or bakeable, so 20 guests rounds to 3 pies (24 slices), not 2.5
Turkey weight already includes leftovers at 1.5 lbs/person — see [the Turkey Size Calculator](/blog/thanksgiving-meal-system/) to adjust
Stuffing, vegetables, and mashed potatoes scale exactly linearly — no rounding needed past the cup measurement
Drinks assume roughly one 12 oz serving per guest — heavier drinkers or an all-day gathering may need more

Serving Guide: what else scales with guests

Quantities aren’t just food — the table itself scales the same way. For every guest, plan on:

1 dinner plate
1 dessert plate
1 fork, 1 knife, 1 spoon (or the disposable equivalent)
1-2 drink glasses or cups
1-2 napkins

Table settings needed, for 6 guests6 of each

When the guest count changes late

Two more guests showed up? Add the per-person amounts from the table below to whatever you've already planned — don't rebuild the whole menu. That's the entire point of scaling by guest, not by recipe.

Extra Guests	Turkey	Stuffing	Vegetables	Rolls
+2	+3 lbs	+1 cup	+1 cup	+3
+4	+6 lbs	+2 cups	+2 cups	+6
+6	+9 lbs	+3 cups	+3 cups	+9

Print your Guest Scaling Worksheet

Thanksgiving Guest Scaling Worksheet

Thanksgiving Snapshot

Guests: _______
Kids under 8 (count as half): _______
Serving time: _______

Per-Person Rules

Item	Per Person
Turkey	1.5 lb
Stuffing	½ cup
Mashed potatoes	⅓ cup
Vegetables	½ cup
Rolls	1.5
Pie	1 slice
Drinks	12 oz

Final Quantities

Item	Total Needed
Turkey	_______ lb
Stuffing	_______ cups
Mashed potatoes	_______ cups
Vegetables	_______ cups
Rolls	_______
Pie	_______ slices / _______ pies
Drinks	_______

Last-Minute Guests

Extra Guests	Turkey	Stuffing	Vegetables	Rolls
+2	+3 lb	+1 cup	+1 cup	+3
+4	+6 lb	+2 cups	+2 cups	+6
+6	+9 lb	+3 cups	+3 cups	+9

Why per-guest math beats guessing

A weekly menu doesn’t need this kind of math because the audience is fixed — the same 4 people, every night. Thanksgiving’s audience changes every year, which is exactly why the Per-Person Method exists: fixed per-person amounts turn any guest count into an exact shopping list, instead of a guess that leaves you short on stuffing or drowning in green beans.

Once your quantities are set, the Thanksgiving Command Center is where they turn into an actual shopping list, and the Thanksgiving budget split is where the dollar side gets divided across categories.

Keep planning

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