What is aquafaba?

Dried chickpeas, the usual source of aquafaba

Aquafaba is the viscous cooking liquid left after legumes such as chickpeas have been cooked—most often the brine drained from a can of chickpeas. The word comes from Latin aqua (water) and faba (bean). Because that liquid contains dissolved starches, proteins, and other soluble plant solids, it can foam, emulsify, bind, and thicken much like … Read more

How many ounces are in a pound?

Historic one-pound avoirdupois weight

There are 16 ounces in a pound. In the avoirdupois system used in the United States and the United Kingdom, one pound is legally defined as exactly 0.45359237 kilograms, and it is divided into 16 avoirdupois ounces of about 28.35 grams each. The older troy pound, still referenced for precious metals, has only 12 troy … Read more

How many quarts are in a gallon?

A gasoline can, a common gallon container

There are 4 quarts in a gallon. That holds for both the US gallon and the imperial (UK) gallon, since each is divided into four quarts, eight pints, or 32 gills. The gallons themselves differ in size: a US liquid gallon is 128 US fluid ounces (about 3.785 liters), while an imperial gallon is about … Read more

How many ounces are in a cup?

A simple measuring cup

One US customary cup holds 8 US fluid ounces, which is half a US pint, or about 237 milliliters. Fluid ounces measure volume, so this does not mean a cup of a dry ingredient weighs 8 ounces. Measuring cups sold for cooking are often labeled as 240 milliliters in the US, while the metric cup … Read more