Many people believe that sprouted onions automatically become waste, but experts urge not to rush.
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A bag of onions forgotten for a few weeks often surprises homeowners with bright green shoots. This common situation usually raises many doubts about the product’s safety and its culinary properties.
Whether onions that have already sprouted can be eaten was explored by Martha Stewart.
How do onion sprouts appear and is it safe to eat them?
The sprouting of onions is a completely natural process. It occurs when these vegetables are exposed to conditions that promote new growth, such as light, warmth, and moisture, which often happens during storage in the kitchen.
Concern about reducing waste is good, but health safety always comes first. According to the US Food and Drug Administration (FDA), sprouted onions can be safely consumed if they show no signs of rot. However, it’s best to use them as soon as possible before the vegetable loses its flavor.
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Food safety instructor Shannon Stover reassures that, unlike potatoes, sprouted onions do not release toxins and do not pose a risk of poisoning. However, before preparation, they must be thoroughly washed under cold water to remove potential pathogens—this is emphasized by expert Kimberly Baker.
She also adds that green sprouts draw juice from the bulb, so over time, its flesh becomes softer and may become slightly bitter. If there are no signs of spoilage, such a vegetable is absolutely safe for everyone, including young children, pregnant women, the elderly, and individuals with weakened immune systems.
Can the green sprout be eaten?
Experts note that the green onion sprout is completely safe to eat, but its taste is often stronger, sharper, and sometimes even more bitter than that of the bulb.
If you prefer a more intense flavor, chop the sprout and use it in dishes like chili or taco meat. Keep in mind that the texture is firmer and more fibrous than the rest of the onion.
When to discard sprouted onions
According to specialists, as long as the bulb remains firm and shows no signs of rot or mold, you do not need to discard the onion. However, it should be thrown away if dark or fuzzy spots, a slimy or excessively soft texture, wet or leaking layers, a strong unpleasant odor, discoloration of the flesh, visible decomposition, or signs of pests are already noticeable.
Experts point out that such changes indicate spoilage and potential microbial growth, making the onion unsafe for consumption.
It should be noted that professional chefs recommend adding a teaspoon of baking soda (or a tablespoon for large portions) to the pan when frying onions to completely neutralize the pungent sulfurous odor that permeates the entire home. This inexpensive trick not only eliminates the aroma but also makes the onions softer and creamier, allowing them to be used as a natural thickener, and adding salt will speed up juice release and enhance the effect.
Additionally, TSN.ua previously discussed how and when to harvest onions in 2026 so that the bulbs do not rot and store well until the next harvest.
Source: tsn.ua