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Food Per Person

How to plan a taco bar for a crowd

By the Food Per Person editorial teamLast reviewed 2026-06-25

A taco bar is the most forgiving party food there is: guests build their own, vegetarians are easy, and almost everything scales linearly. The calculator below sizes the meat, tortillas, cheese, and toppings for your headcount; the notes cover layout and the few places people under-buy.

How many guests?
Protein
Walking tacos (chip bags)?
Appetite
Compare a second headcount

Your plan

A taco bar for 20 with seasoned ground beef

Total items

5

food and drink to buy

Est. cost

$69.91

$3.50 per guest, rough estimate

Planning a taco bar for 22 guests (18 adults, 4 kids), standard appetite, with a 10 percent buffer. 15 percent vegetarian, served beans.

Proteins
  • Seasoned ground beef

    0.33 lb per adult

    5.6 lb
Sides
  • Beans (vegetarian filling)

    4 oz per adult

    12.2 oz
Bread
  • Tortillas or taco shells

    2.75 pieces per adult

    56 pieces
Condiments
  • Shredded cheese

    1.5 oz per adult

    32 oz
  • Toppings (lettuce, tomato, onion, salsa, sour cream)

    4 oz per adult

    82 oz

Estimate from average US grocery prices, a planning aid, not a quote. Non-USD is converted at rough parity. Set the price level in advanced options for your area, or see how we estimate cost.

The per-guest quantities

Plan about two to three tacos per adult, which works out to roughly a third of a pound of cooked filling and just under three tortillas each once you allow for breakage. Kids run about half that.

Cheese, beans, and fresh toppings round it out at a couple of ounces each per guest. The calculator includes all of these and rounds tortillas to packs and toppings to pounds so the shopping list maps to what is on the shelf.

Make it easy on vegetarians

Set the vegetarian share and the calculator shifts some of the meat to seasoned beans as a second filling, rather than leaving plant-based guests with toppings only. Beans are cheap, so this also lowers the total cost.

A walking-taco version (fillings over individual chip bags) travels well for outdoor and graduation parties and removes the need for plates. Toggle it on and the disposables change accordingly.

Lay it out in build order

Arrange the bar in the order guests build: shells and tortillas first, then proteins, then cheese, then cold toppings and salsas, with sour cream and hot sauce at the end. Two lines from both sides of the table roughly doubles throughput for big groups.

Keep meat and beans warm in slow cookers and hold cold toppings on ice. Copy the shopping list and you have your prep checklist for the day before.

Common questions

How much taco meat per person?
About a third of a pound of cooked, seasoned filling per adult, which covers two to three tacos. The calculator scales this to your headcount and the vegetarian share.
How many tortillas per person for a taco bar?
Plan for just under three small tortillas or shells per adult, allowing for a few that tear. Buy a little extra; leftover tortillas keep.
What toppings should a taco bar have?
Cheese, lettuce, diced tomato and onion, salsa, sour cream, and hot sauce cover the basics. The calculator estimates a combined topping weight so you can split it across your choices.

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