size onion

ProducePeak season is late summer through fall (August–November in Northern Hemisphere); winter storage varieties extend availability through spring. Year-round availability in most markets due to global cultivation and cold storage.

Good source of vitamin C, fiber, and quercetin (an antioxidant); low in calories and fat. Contain prebiotic compounds that support digestive health.

About

The onion (Allium cepa) is a bulbous perennial vegetable belonging to the allium family, native to Central Asia and widely cultivated worldwide. The edible portion is the layered bulb, which consists of concentric rings of fleshy scales wrapped in papery, colored outer skin. Onions vary in size from pearl onions (thumbnail-sized) to giant exhibition varieties exceeding 5 pounds. Common varieties include yellow onions (the most versatile), red onions (sweeter, with purple-hued rings), and white onions (milder, favored in Asian cuisines). The flavor profile ranges from pungent and sharp when raw to sweet and mellow when cooked, a transformation driven by the breakdown of sulfur compounds during heating.

Culinary Uses

Onions serve as a foundational aromatic in virtually all global cuisines. They are essential components of mirepoix (French) and soffritto (Italian) bases, provide sweetness to caramelized dishes, and add pungency when raw in salsas and salads. Caramelized onions develop deep umami complexity and are used in soups, gratins, and sandwich toppings. Raw onions contribute sharp bite to ceviche, kebabs, and sandwich accompaniments. Pearl onions and shallots (a smaller cousin) are pickled or braised whole. Grilled or roasted onions become tender and sweet, complementing grilled meats and vegetable preparations.

Forms & Preparations

  • Whole bulb — Raw or cooked; used for caramelizing, roasting, braising, or dicing for base preparations.
  • Diced/minced — Uniform small pieces for soffritto, mirepoix, or raw applications in salsas and salads.
  • Sliced/rings — Thin or thick slices used for grilling, frying into crispy onion strings, or layering in gratins.
  • Julienned — Fine matchstick cuts, often used for rapid cooking or delicate presentations.
  • Pearl onion — Small whole onions (1 inch), typically peeled and pickled or braised whole.
  • Powder — Dehydrated and ground; used as a seasoning in spice blends and dry rubs.

Substitutes

  • Unknown — Smaller, more delicate flavor; use 1.5 shallots per 1 onion by volume. Best in vinaigrettes and refined dishes.
  • Unknown — Milder and sweeter; use white and light-green parts only. Better raw or in soups; use roughly equal weight.
  • Unknown — Much more pungent; use sparingly (1 clove per onion). Best for dishes where garlic flavor is desired.
  • Unknown — Milder, fresher flavor; use mostly green parts raw or as garnish. Use 3–4 scallions per 1 onion.
  • Unknown — Delicate onion flavor; use as garnish or in finishing. Use roughly 2–3 tablespoons per 1 onion.

Recipes Using size onion (5)

RCI-VG.004.0289.001

Chin Baung Kyaw

Chin Baung Kyaw (Fried roselle Leaves) is a spicy vegetarian dish that goes well with rice.

RCI-SP.003.0293.001

Green Chicken Soup

Green Chicken Soup from the Recidemia collection

RCI-SP.004.0187.001

Kare Kare

A rich stew of ox tail, leg or tripe and a variety of vegetables in a sauce flavored and thickened with ground roasted peanuts and toasted rice flour.

RCI-RC.006.0092.002

Pohe

Pohe is a very popular breakfast dish in the Indian states of Maharashtra, Gujarat and Madhya Pradesh.

RCI-RC.006.0092.001

Pohe

Pohe is a very popular breakfast dish in the Indian states of Maharashtra, Gujarat and Madhya Pradesh.