Free green bean casserole calculator. Enter servings to find the beans in grams and the soup in grams you need for a green bean casserole.
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Enter the number of servings you plan to serve. This green bean casserole calculator uses 120 grams of green beans per serving and 40 grams of soup per serving, so green bean casserole for a crowd is easy to plan. For 10 servings, you need 1200 grams of beans and 400 grams of soup. For 6 servings, you need 720 grams of beans and 240 grams of soup. Use the sections below for green bean casserole cans servings, green bean casserole pan servings, and green bean casserole toppings before you buy.
This green bean casserole calculator uses a clear green bean casserole recipe amounts rule: beans grams equal servings times 120, and soup grams equal servings times 40. That gives a simple green bean casserole servings calculator you can check by hand. For 10 servings, the math is 10 times 120 equals 1200 grams of beans, and 10 times 40 equals 400 grams of soup. For 20 servings, you need 2400 grams of beans and 800 grams of soup. Green bean casserole per person in this calculator is 120 grams of ready beans, close to the 4 ounce drained beans standard side used by competitor guides.
Green bean casserole cups per person run about 1/2 cup as a side with many dishes, and 3/4 to 1 cup for a hearty serving. One holiday guide plans 1/2 cup per person, while a portion guide plans 3/4 to 1 cup per person and 1 to 1 and 1/4 cups total when leftovers are wanted. Green bean casserole holiday servings need that range, because guests take a little of every side when the table is full, but take more when green bean casserole is a favorite dish. A standard 9 by 13 dish with 2 pounds of beans serves 8 to 12 people, so use that as a check on your calculator total: 10 servings should fill about one 9 by 13 dish.
Green bean casserole soup servings and toppings follow simple per person benchmarks. Per serving, competitor guides plan: green beans about 1/2 cup fresh or 2/3 cup canned, condensed soup about 1/4 cup, milk about 1 tablespoon, and fried onions about 2 tablespoons. Green bean casserole toppings are split in the classic method: half of the fried onions go into the casserole, and half go on top for the final 5 minutes of baking, so the topping stays crisp. The classic sauce is condensed cream of mushroom soup plus milk, soy sauce, and pepper, baked at 350 degrees F for 25 minutes, stirred, topped, and baked 5 minutes more. Cheese, panko, or cracker crumbs can replace fried onions as a topping variation.
Green bean casserole fresh beans need trimming and blanching, and lose weight in preparation: 1 pound of fresh untrimmed beans gives about 12.5 ounces of ready beans, while 1 pound of trimmed beans gives about 14 ounces after blanching. Green bean casserole frozen beans are faster: 1 pound frozen gives about 14 ounces after thawing, but pat them dry if icy or wet so the casserole does not turn soupy. Green bean casserole cans servings are the classic pantry route: one 14.5 ounce can gives about 9 ounces drained, so 10 servings at 120 grams need about 5 cans by drained weight, and the classic 6 serving recipe uses 2 cans plus 1 can of soup. Drain canned beans well before saucing, because can liquid is almost half the can weight.
Green bean casserole pan servings follow pan size: an 8 by 8 dish serves 6 to 8, an 11 by 7 dish serves 8 to 10, a 9 by 13 dish serves 12 to 16, a deep 9 by 13 dish serves 18 to 22, a half steam table pan serves 25 to 32, and a full steam table pan serves 50 to 64. Split large batches into two shallower pans instead of overfilling one deep pan, because a deep fill bakes unevenly and stays soupy in the center. Green bean casserole make ahead planning is: assemble the beans and soup 1 to 2 days ahead without the fried onions, refrigerate covered, then bake, adding the onions for the final minutes. Green bean casserole leftovers storage is 3 to 4 days in the refrigerator, reheated in the oven to re-crisp the topping, and leftovers can be turned into soup. For a buffet, add 15 to 25 percent to the total, because self-service portions run uneven and guests return for seconds.
Plan about 1/2 cup per person as a side with many dishes, and 3/4 to 1 cup per person for a hearty serving. This calculator plans 120 grams of beans per serving, close to the 4 ounce drained beans standard side.
For 10 servings at 120 grams each you need 1200 grams of ready beans. One 14.5 ounce can gives about 9 ounces drained, so plan about 5 cans by drained weight, and check the drained weight on your brand.
Yes, all three work. Fresh beans need trimming and blanching and lose weight in preparation. Frozen beans need thawing and patting dry. Canned beans need draining well before saucing, because can liquid adds water to the casserole.
Plan about 1/4 cup of condensed soup per serving, plus about 1 tablespoon of milk per serving. This calculator plans 40 grams of soup per serving, so 10 servings need 400 grams of soup.
A deep 9 by 13 dish serves 18 to 22, so one deep dish suits 20 people. For a standard 9 by 13 dish at 12 to 16 servings, use two dishes for 20 people, or use a half steam table pan at 25 to 32 servings.
Yes, assemble the beans and soup 1 to 2 days ahead without the fried onions, and refrigerate covered. Bake on the day, then add the fried onions for the final 5 minutes so the topping stays crisp.
Add half the onions inside the casserole and half on top for the final 5 minutes of baking. Do not cover the baked dish, because steam softens the topping, and for long holds keep part of the topping aside until serving time.
Store leftovers in an airtight container in the refrigerator for 3 to 4 days. Reheat in the oven or air fryer to re-crisp the onion topping, or turn leftovers into green bean casserole soup.