lb onions

ProduceYear-round; peak harvest occurs in late summer and early fall (August-October in Northern Hemisphere), with excellent storage allowing availability throughout winter.

Low in calories but rich in vitamin C, folate, and antioxidants including quercetin and organosulfur compounds with potential anti-inflammatory properties.

About

The onion (Allium cepa) is a bulbous vegetable belonging to the Amaryllidaceae family, native to Central Asia and cultivated worldwide for millennia. The edible bulb consists of concentric layers of fleshy leaf bases, papery outer skin, and a central flowering shoot. Onions range in color from white to yellow, red, and purple, with flavor profiles varying from sweet and mild to pungent and sharp depending on variety and maturity. Common culinary varieties include yellow onions (the standard all-purpose variety), sweet onions (Vidalia, Walla Walla), red/purple onions (milder, sweeter, used raw), and white onions (common in Latin and Asian cuisines). The pungent aroma and tear-inducing compounds (sulfurous volatile oils) develop when cell walls are broken during cutting.

Culinary Uses

Onions serve as a foundational aromatic in countless cuisines worldwide, providing savory depth and body to stocks, sauces, soups, and braises. They are caramelized for sweetness in French onion soup and gratins, sautéed as a base for curries and stir-fries, or used raw in salsas, salads, and pickles. Red onions are preferred for raw applications due to their mild sweetness and visual appeal, while yellow onions are the workhorse for cooking. Pearl onions and shallots offer distinct flavor profiles for specific applications. Preparation methods—slicing, dicing, mincing, or leaving whole—affect flavor intensity and texture, with longer cooking times yielding sweeter, more mellow results.

Forms & Preparations

Whole/Round — Unskinned bulbs, stored in cool dry conditions, used whole for caramelizing, roasting, or as containers for stuffing.
Sliced — Cut into rings or half-moons, used for caramelizing, stir-frying, or raw preparations; slice thickness affects cooking time and final texture.
Diced — Cut into uniform cubes of varying sizes (brunoise, small dice, or rough dice), the standard form for mirepoix bases and general cooking applications.
Minced — Finely chopped or grated, used for dishes requiring rapid integration and even distribution, such as burgers, meatballs, or quick sautés.
Powder/Granulated — Dehydrated and ground onions, used as a seasoning in dry rubs, spice blends, and instant preparations where fresh onion is impractical.
Pickled — Preserved in vinegar and spices, used as condiment, garnish, or component in cocktails and composed dishes.

Substitutes

Unknown — Use in equal weight or slightly less by volume; shallots are more delicate and sweet, suitable for refined preparations and vinaigrettes where mild flavor is desired.
Unknown — Use approximately 1/4 the quantity by weight; garlic is significantly more potent and aromatic, best for dishes emphasizing garlic flavor rather than as a direct replacement.
Unknown — Use the white and light green parts in equal volume; leeks are milder and less pungent, ideal for soups and creamed preparations where subtle onion flavor is preferred.
Unknown — Use approximately 2-3 times the volume; best for raw applications and garnishes rather than as a cooking base, offering mild onion flavor with fresh herbaceous notes.