Vegetable | Vegan Gluten Free Low Calorie Keto Paleo Low Carb

Round Onion

Allium cepa Allergen-Free
Round Onion

Sourcing & Taxonomy

  • Family Amaryllidaceae
  • Primary Cuisine Global
  • Seasonality Year-Round
  • Source Onion plant

The Forktionary Angle

"The foundational flavor building block for every kitchen."

Definition

The common round onion, a versatile staple, offers pungent to sweet flavors and a crisp to tender texture, fundamental to countless cuisines.

Sensory Profile

TastePungent, Sweet (cooked), Sharp
TextureCrisp, Juicy (raw), Tender (cooked)
AromaPungent, Sulfurous
AcidityLow

Technical Metrics

Anti-Inflammatory Compounds

Rich in quercetin, a potent antioxidant.

Global Production

Over 100 million tons annually worldwide.

Optimal Storage

Cool, dry, dark place (unrefrigerated) for weeks.

Nutrition Facts

Per 1 medium (110g)
Calories40 kcal
Total Fat0.1 g
Saturated Fat0 g
Trans Fat0 g
Cholesterol0 mg
Protein1.1 g
Total Carbohydrate9.3 g
Dietary Fiber1.7 g
Total Sugars4.2 g
Calcium23 mg
Iron0.2 mg
Potassium146 mg

Chef’s Secret

To reduce the pungency of raw onion, slice it thinly and soak in ice water for 15-30 minutes before serving.

Substitutions

Best Match

Yellow Onion

1:1

The most common substitute, offering a similar flavor profile for general cooking.

White Onion

1:1

Slightly milder and crisper, good for raw applications or when a less intense flavor is desired.

Shallots

2:1 (small:medium)

Provides a milder, sweeter, and more delicate onion flavor, excellent for sauces or vinaigrettes.

Leeks

1:1 (volume)

Offers a subtle, sweet onion flavor, especially the white and light green parts, suitable for soups and braises.

Buying Guide

Choose firm, dry onions with no soft spots or sprouts. Store in a cool, dark, well-ventilated place, not in the refrigerator.

Flavor Pairings

Garlic Thyme Bay leaf Beef Chicken Tomatoes Peppers Cheese

Recipes Using Round Onion

Technique Japanese Cuisine Main Ingredient

Beef Tomato

A flavorful and easy-to-make Beef Tomato stir-fry recipe, inspired by a Japanese college roommate's secret family recipe! This dish boasts tender beef, perfectly sautéed vegetables, and a rich, savory gravy – all ready in under an hour. Get ready for a taste of Japan in your kitchen!

See Complete Recipe