Unpeeled White Onions

Japan Big Onion

Enjoy the sweet-savoury flavour of Japan Big Onion, an all-purpose cooking onion suitable for soups, sauces, curries, stir-fries, stews, salads, marinades and roasted dishes. Also searched as big onion, yellow onion, brown onion, sweet onion, white onion, onion, Allium cepa, Japanese onion, 玉ねぎ, 玉葱, 洋葱, 黄洋葱, 黄葱头 or 白洋葱, this is a practical staple for everyday cooking.

Japan Big Onion has firm layered flesh and a papery outer skin. Depending on the current batch, the skin may look yellow, brown or pale, while the flesh is usually crisp, juicy and aromatic. The flavour is sharper when raw and becomes sweeter, softer and more mellow when cooked.

Origin: Japan. Product photos are for reference only.

Japan Big Onion Quick Facts

Taste and Texture

Japan Big Onion has a strong savoury aroma with a natural balance of sharpness and sweetness. Raw onion gives a crisp bite and stronger flavour, while cooked onion becomes softer, sweeter and more mellow.

This makes it useful as an all-purpose onion for many dishes. It can be fried as a base for curry, cooked slowly into soups, roasted with vegetables, added to sauces, sliced for salads, or caramelised for a deeper sweet flavour.

• Fresh big onion from Japan
• Firm layered flesh with papery skin
• Sharp, savoury and aromatic when raw
• Sweeter and softer after cooking
• Good for soups, sauces, curries and stir-fries
• Suitable for roasting and caramelising
• Useful everyday kitchen staple

Yellow Onion, Brown Onion, Sweet Onion and White Onion

Customers may search for yellow onion, brown onion, sweet onion or white onion when looking for large cooking onions. Yellow onion and brown onion often refer to the same everyday onion style with golden-brown papery skin.

White onion usually has a paler skin and sharper fresh taste. Sweet onion is usually milder and sweeter. 

Is Onion a Vegetable?

Yes. Onion is commonly treated as a vegetable in cooking. Botanically, onion is a bulb from the Allium cepa plant, but in the kitchen it is used as a savoury vegetable and aromatic ingredient.

It is often used as a flavour base together with garlic, ginger, celery, carrot, herbs and spices.

How to Use Japan Big Onion

Japan Big Onion is suitable for both raw and cooked dishes. Raw slices give a sharper bite, while cooking brings out sweetness and savoury aroma.

• Slice thinly for salads and sandwiches
• Dice for fried rice, omelettes and stir-fries
• Fry with garlic and ginger as a curry base
• Cook slowly for caramelised onions
• Add to soups, stews and sauces
• Roast with potatoes, carrots and meat
• Use in marinades, burgers and grilled dishes

Onion Price in Singapore

Onion price in Singapore can change depending on origin, size, season, freight cost, market supply and current batch quality. Japan onions may be priced differently from regular imported onions because of origin, grading and shipment cost.

Please check the current product price or contact SKC Fruits if you need a quotation for larger quantities, office pantry orders, restaurant use or event preparation.

How to Choose Onions

Choose onions that feel firm and heavy for their size. The outer skin should be dry and papery, without mould, soft spots, leaking areas or strong rotten smell.

• Choose firm onions with dry papery skin
• Avoid soft, wet or leaking onions
• Avoid mouldy onions or onions with strong off-smell
• Avoid badly sprouted onions if you need longer storage
• Use sweeter, milder onions raw if preferred
• Use sharper onions for cooking bases and sauces

Storage and Handling

Store whole Japan Big Onions in a cool, dry, dark and well-ventilated place. Avoid storing whole onions in sealed plastic bags because trapped moisture and poor airflow can shorten shelf life.

Once peeled, cut or chopped, keep onions refrigerated in a sealed container and use within a few days for best quality. Do not store onions beside potatoes for long periods, as moisture and gases can encourage spoilage.

• Store whole onions in a cool, dry and ventilated place
• Keep away from direct sunlight and heat
• Avoid sealed plastic bags for whole onions
• Do not store near very moist produce
• Refrigerate peeled, cut or chopped onions
• Keep cut onions in a sealed container
• Use cut onions as soon as possible for best flavour
• Discard onions that are mouldy, slimy, leaking or rotten-smelling

Why Do Onions Make You Cry?

Onions can make your eyes water because cutting them releases natural sulphur compounds. To reduce tears, use a sharp knife, keep the onion chilled before cutting, and cut in a well-ventilated area.

Some people also place a damp paper towel near the cutting board to help reduce the irritating vapours around the onion.

Nutrition Information

Approximate values per 100g of raw onion. These are general onion nutrition values and are not lab-tested values for the current Japan Big Onion batch. Exact values may vary by onion variety, size, sweetness, freshness, origin and batch.

Japan Big Onion can be enjoyed as part of a balanced diet. Like other fresh onions, it naturally contains water, carbohydrates, fibre, vitamin C, potassium and plant compounds found in allium vegetables. This is general food information and should not be treated as medical advice.