Feeding a Crowd: How Much Food Do You Really Need?

Planning a family reunion, church supper, wedding, graduation party, or neighborhood get-together?

One of the hardest parts of cooking for a crowd isn’t deciding what to make—it’s figuring out how much food you’ll need.

Long before online calculators and catering apps, cooks kept handy charts in their cookbooks that helped them estimate quantities for large gatherings. We’ve taken one of those old-fashioned guides and organized it into an easy-to-use reference for 25, 50, or 100 servings.

So before you start peeling 50 pounds of potatoes, take a look!


Sandwiches & Everyday Foods

Food25 Servings50 Servings100 Servings
Rolls4 dozen8 dozen16 dozen
Bread50 slices or 3 one-pound loaves100 slices or 6 one-pound loaves200 slices or 12 one-pound loaves
Butter½ pound¾–1 pound1½ pounds
Mayonnaise1 cup2–3 cups4–6 cups
Meat, egg, or fish sandwich filling1½ quarts2½–3 quarts5–6 quarts
Sweet-fruit sandwich filling1 quart1¾–2 quarts2½–4 quarts
Jams & preserves1½ pounds3 pounds6 pounds
Crackers1½ pounds3 pounds6 pounds
Cheese, 2 oz. per serving3 pounds6 pounds12 pounds
Soup1½ gallons3 gallons6 gallons
Salad dressing1 pint2½ pints½ gallon


Meat, Poultry & Fish

This is where knowing your crowd becomes especially important. Are you serving one main dish, or will there be several choices?

Food25 Servings50 Servings100 Servings
Beef wieners6½ pounds13 pounds25 pounds
Hamburger9 pounds18 pounds35 pounds
Turkey or chicken13 pounds25–35 pounds50–75 pounds
Large whole fish13 pounds25 pounds50 pounds
Fish fillets or steaks7½ pounds15 pounds30 pounds

A little common sense goes a long way

These are planning estimates, not hard-and-fast rules. A meal with several side dishes requires less meat than a meal where the meat is the main attraction.


Salads, Casseroles & Vegetables

Some of the best crowd-feeding foods are the ones Grandma knew how to make in big batches.

Potato salad, baked beans, scalloped potatoes, mashed potatoes and spaghetti are all excellent choices because they can be prepared ahead of time and served to a large group.

Food25 Servings50 Servings100 Servings
Potato salad4¼ quarts2¼ gallons4½ gallons
Scalloped potatoes4½ quarts or one 12×20-inch pan8½ quarts17 quarts
Mashed potatoes9 pounds18–20 pounds25–35 pounds
Spaghetti1¼ gallons2½ gallons5 gallons
Baked beans¾ gallon1¼ gallons2½ gallons
Jell-O salad¾ gallon1¼ gallons2½ gallons
Canned vegetables1 #10 can2½ #10 cans4 #10 cans

If you’ve never worked with old-fashioned large institutional cans, a #10 can is the large food-service can commonly used by restaurants, schools and organizations.

You may still see them at restaurant-supply stores and warehouse clubs.


Fresh Vegetables

Fresh vegetables can be a little harder to estimate because size varies so much.

Food25 Servings50 Servings100 Servings
Lettuce for salads4 heads8 heads15 heads
Carrots6¼ pounds12½ pounds25 pounds
Tomatoes3–5 pounds7–10 pounds14–20 pounds

Tip from the kitchen: If you’re making a salad for a large gathering, keep the dressing separate whenever possible. It helps prevent the salad from becoming soggy if people are eating over an extended period.


Desserts

And of course, no big family gathering is complete without dessert!

Dessert25 Servings50 Servings100 Servings
Watermelon37½ pounds75 pounds150 pounds
Fruit cup, ½ cup per serving3 quarts6 quarts12 quarts
Sheet cakeOne 10×12-inch sheetOne 12×20-inch sheetTwo 12×20-inch sheets
10-inch layer cake1½ cakes3 cakes6 cakes
Whipping cream¾ pint1½–2 pints3 pints

Don’t forget the ice cream!

Ice Cream25 Servings50 Servings100 Servings
Brick ice cream3¾ quarts6½ quarts12½ quarts
Bulk ice cream2¼ quarts4½ quarts or 1¼ gallons9 quarts or 2½ gallons

Beverages for a Crowd

Drinks are one of the easiest things to overlook when you’re planning a large meal.

Beverage25 Servings50 Servings100 Servings
Coffee½ lb. coffee + 1½ gal. water1 lb. coffee + 3 gal. water2 lbs. coffee + 6 gal. water
Tea¹⁄₁₂ lb. tea + 1½ gal. water⅙ lb. tea + 3 gal. water⅓ lb. tea + 6 gal. water
Lemonade10–15 lemons + 1½ gal. water20–30 lemons + 3 gal. water40–60 lemons + 6 gal. water

Grandma’s Rule for Feeding a Crowd

There is one thing that old-fashioned cooking charts can’t tell you:

Know your guests.

Twenty-five people at a family picnic don’t necessarily eat the same amount as twenty-five people at a formal dinner.

If you’re serving several meats, vegetables, salads, desserts and appetizers, people will take smaller portions of each. If you’re serving one main dish with just a couple of sides, you’ll need more of the main dish And remember:

It’s easier to deal with leftovers than hungry guests.

When you’re cooking for a big family gathering, don’t be afraid to round your quantities up a little—especially for popular dishes.


A Simple Way to Think About It

If you’re starting with a recipe that serves 25:

25 servings → your original amount
50 servings → roughly double
100 servings → roughly four times

But don’t assume every ingredient should always be multiplied exactly. Large-batch cooking sometimes requires adjustments, particularly with seasonings, liquids, thickening agents, and baking recipes.

That’s one reason old community cookbooks and church cookbooks were so valuable. They contained the experience of people who had already cooked for a crowd.Before everything was measured by an app, Grandma had a cookbook, a pencil, a big mixing bowl—and usually someone standing nearby asking:

“How many people are coming?”

These old kitchen guides are more than measurements. They’re a little piece of cooking history.

They remind us of church suppers, family reunions, holiday dinners, weddings, picnics and those times when somebody said:

“We’d better make enough. You know how this family eats!”

And somehow, Grandma always did.