How to Freeze Onions
Learn how to freeze chopped, diced, or sliced onions for easy meal prep. Frozen onions are best used in cooked recipes such as soups, stews, chili, casseroles, sauces, fajitas, stir-fries, and skillet meals.
Ingredients
- 4 cups chopped, diced, or sliced onions about 3 to 4 medium onions
Instructions
- Peel the onions and remove the loose, papery outer skins. Trim off the stem and root ends.
- Cut the onions into the size and shape you use most often:• Dice or chop onions for soups, stews, casseroles, sauces, and everyday recipes.• Slice onions for fajitas, stir-fries, sausage and peppers, and skillet meals.
- To tray freeze, line a rimmed baking sheet with parchment paper. Spread the chopped or sliced onions in a single layer on the baking sheet.
- Place the baking sheet in the freezer and freeze until the onions are solid, about 1 to 2 hours.
- Transfer the frozen onions to a quart-size freezer bag or freezer-safe container. Press out as much air as possible, seal, and label with the date.
- Store in the freezer and use within a few months for the best quality. Add frozen onions directly to cooked recipes without thawing.
- Yield: About 1 quart freezer bag, or 4 cups frozen onions
Notes
Chopped, diced, and sliced onions do not need to be blanched before freezing.
Frozen onions will be softer than fresh onions once thawed, so they are best used in cooked recipes rather than salads, sandwiches, burgers, or fresh toppings.
If you are short on time, you can skip the tray-freezing step and pack the onions directly into a freezer bag. Spread them into a thin layer, press out the air, seal, label, and freeze flat. The onions may clump together more, but you can usually break off what you need.
Onions have a strong aroma, so use freezer-safe packaging and double bag if needed to help contain the odor.
Nutrition
Serving: 0.5cupCalories: 32kcal
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