What Are Frozen onions and How Can I Use Them?
Frozen onions rewards a little know-how: how to choose them, cook them, store them, and substitute in a pinch. Browse 3 recipes to cook with them.
Key Points
- Frozen onions are pre-chopped and flash-frozen; a ready-to-cook prep shortcut.
- Add them straight from frozen; never thaw or they turn to watery mush.
- Best in soups, stews, braises, and pot pies where onions cook down.
- They release water and steam before browning, so skip them for caramelizing.
- Stored at 0°F (minus 18°C) they keep quality about eight months.
What are frozen onions?
Frozen onions are fresh onions peeled, chopped or diced, then flash-frozen so they are ready to cook straight from the bag. They skip the peeling and chopping, and they spare you the watery eyes, which is the whole reason they exist.
The freezing softens the cell walls, so frozen onions are already a little limp. That makes them great for cooking and wrong for anything raw.
Think of them as a prep shortcut, not a different vegetable. For onion types and basic technique, see the onions hub.
How to Use Frozen Onions
The single most useful rule: do not thaw them.
Add frozen onions straight to a hot pan or a simmering pot and they cook from frozen with no fuss. They are made for dishes where onions get cooked down anyway, like soups, stews, chili, and pot pies such as this KFC Pot Pie or a comforting Chicken Tot Pie.
They also work in braises and sauces, including a Wine-Sauced Chicken, where the soft texture disappears into the dish.
Because they carry surface ice and their own water, they release liquid as they heat. Cook over higher heat to drive it off, and expect them to steam before they brown. If you need real caramelization, fresh onions do it far better.
Pairing and What Goes Wrong
Frozen onions slot into any savory braised or simmered dish, alongside garlic, peppers, celery, and carrots. The biggest mistake is thawing them first, which leaves a soggy, watery mush that dumps liquid into the pan.
The second mistake is reaching for them raw. They will never give you the crisp bite of a fresh onion on a burger or in a salad, so keep them for the stovetop and oven.
Buying and Storing
Find them in the freezer aisle near other frozen vegetables, usually as diced or chopped yellow onion, sometimes as pearl onions or a pepper-and-onion blend. Choose bags where the pieces feel loose, not frozen into one solid clump, which signals a thaw-and-refreeze.
Keep them frozen at 0°F (minus 18°C) and they hold quality for about eight months. Scoop out what you need and reseal the bag fast to limit freezer burn.
You can also freeze your own: chop fresh onions, spread them on a tray to freeze loose, then bag them so they stay pourable.
Quick facts
- In Chinese
- 冷冻洋葱
- British (UK) term
- Frozen onions
- en français
- oignons congelés
- en español
- cebollas congeladas
Recipes using frozen onions
There are 3 recipes that contain this ingredient.
Wine-Sauced Chicken
Freezer-friendly chicken and noodle casserole in a red wine tomato-mushroom sauce with basil and garlic. Make it ahead, freeze in individual portions, and reheat on busy nights. Serves 4 to 6.
Chicken Tot Pie
Chicken pot pie topped with crispy golden Tater Tots instead of pastry! Creamy chicken, broccoli, cauliflower, and thyme bubble underneath a crunchy potato crust the whole family will love.
KFC Pot Pie
No waste of chicken in the restaurants, Colonel created a recipe to help use the chicken that was unable to be sold. So he devised the pot pie recipe. The chicken could only sit and be sold for 2 hrs after it is fried.
