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How Much Cake for 20 People?

20party-size cake slices
one 2ร—2 in party slice per person
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WhatAmount
Sheet cake size to orderquarter sheet (serves ~24)
9-inch round cakes (serve ~12)2

Sheet cakes serve party-size 2ร—2 inch slices: about 24 from a quarter sheet, 48 from a half, 96 from a full sheet. A 9-inch round serves about 12.

If you're also serving other desserts, a cake sized for 75% of guests never runs out.

Adjusting for your crowd: kids eat about two-thirds of adult portions; knock 25% off any single item when several mains share the table; add 25% for teenagers and big appetites. When in doubt, round up on the cheap items (buns, chips, ice) and stay exact on the expensive ones.

Different headcount?

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Cake sorted โ€” what else?

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