Scoop, Ladle and Measuring-Serving Spoon Sizes: A Portion Chart and the Cost of Each Portion

A portioning tool turns a recipe's yield into a number of plates. Change the scoop and the same batch makes a different number of portions at a different cost each — which is why the tool belongs on the recipe card, and why a heaped scoop is a cost decision somebody made without writing it down.

Scoop (disher) sizes

USDA's Food Buying Guide explains the numbering: "The number on the scoop tells you how many scoopfuls make 1 quart (946 milliliters). The higher the number, the smaller the scoop" (USDA Food Buying Guide, Introduction, p. I-32). Its table gives each scoop's level measure, rounded to kitchen fractions; dividing a quart's 32 fluid ounces by the number gives the exact nominal volume.

The two columns differ where USDA rounds: ⅜ cup is 3 fl oz, while a quart divided ten ways is 3.2. For costing, the gap matters less than the one between a level and a heaped scoop — and both are settled the same way, by counting how many scoops your own tool fills a quart with, or by weighing.

Ladles and measuring-serving spoons

The ounce on a ladle is a volume. USDA notes that "ladles are not labeled 'fluid ounce,' although this would be more accurate since they measure volume, not weight", and says the same of measuring-serving spoons — volume-standardized serving spoons, sold by some manufacturers under names such as spoodle. A 4 oz ladle of soup is 4 fl oz, not 4 oz by weight. The Institute of Child Nutrition's reference card adds the 3 oz and 12 oz ladles and notes that "level scoops, ladles, and portion servers provide more accurate portion control than serving spoons that are not volume-standardized".

Cost a portion from the batch

Moving from a No. 8 to a No. 10 takes $0.20, or a quarter, off the portion — and a quarter of the portion off the plate, so it is a menu decision, not a cost cut, and the description has to match. The heaped scoop is the same arithmetic in the other direction, made one plate at a time without anyone choosing it: at an assumed 20% over, the batch serves 40 plates instead of 48 and each costs $0.96 instead of $0.80.

Volume or weight?

Scoops and ladles measure volume, while most ingredients are bought and costed by weight. USDA's reminder applies: "the same volume of different foods will not all weigh the same. If you want to measure by weight, use a scale." To cost a scoop of something you buy by the pound, weigh ten level scoops and average them. If ten No. 12 scoops of cooked rice weigh 18.5 oz, one scoop is 1.85 oz; at a hypothetical $0.12 per ounce of cooked rice, it costs $0.22. The ounce figure also belongs on the recipe card, so the portion can be checked on a scale.

1. 1.Write the tool on the recipe card by number or marked size — "No. 12 scoop, level" or "4 oz ladle" — not by handle color; the Institute of Child Nutrition notes that scoop color coding is brand-specific.
2. 2.Measure the batch yield in cups or quarts after cooking, and divide the batch cost by it.
3. 3.For items costed by weight, weigh ten level portions and record the average.
4. 4.Check portions during service now and then with the same scale, and compare the batch's actual plate count with the expected one.
5. 5.When a portion changes, update the recipe card, the cost and the menu description together.

The expected plate count per batch is the quickest portion check there is. A batch that should serve 48 and serves 40 has lost a sixth of its cost into heaped scoops, tastings or waste. The food cost diagnostic covers the other places the difference can go, and the recipe costing guide covers batch recipes costed as ingredients of other dishes.