
Tomato sauce is a staple in many cuisines, but it can be a pain to get out of plastic containers. The orange/red colour comes from lycopene, a naturally occurring chemical compound that adheres to and stains plastic. The good news is that there are several ways to remove tomato sauce stains from plastic, including soaking the container in hot water and dish soap, using a baking soda-based solution, or even putting it out in direct sunlight. To prevent tomato sauce stains in the future, consider using glass or ceramic containers, or lining your plastic containers with plastic wrap before pouring in the sauce.
| Characteristics | Values |
|---|---|
| Preventing Stains | Line containers with plastic wrap, use glass or ceramic containers, cool food before storing, remove lids when reheating, use metal utensils when mixing hot tomato-based foods |
| Removing Stains | Soak in dish soap, use Dawn Platinum, use a baking soda-based solution, use vinegar and water, use hydrogen peroxide, use bleach, place in direct sunlight |
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What You'll Learn

Soak the container in a mixture of baking soda, dish soap, and water
To get tomato sauce stains out of a plastic container, one recommended method is to soak the container in a mixture of baking soda, dish soap, and water. This method is particularly effective for removing stains from plastic containers and Tupperware.
To make the baking soda-based solution, mix two tablespoons of baking soda with one teaspoon of water and a quarter teaspoon of dish soap. You can mix this up directly in the stained container. Scrub the mixture into the stain, then let it sit for at least 15 minutes. After this, scrub and rinse the container, repeating if necessary.
If you don't have baking soda, you can also try soaking your container in a mixture of dish soap and water. This method is recommended for cookware and utensils stained with tomato sauce. Simply squirt dish soap into the container, add some water, put on the lid, and shake vigorously.
Another option is to soak the container in vinegar and water, though this method may require multiple washes.
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Wash with a concentrated dish liquid
To get tomato sauce stains out of a plastic container, one method is to wash it with a concentrated dish liquid. This method is recommended by cleaning experts.
Firstly, use a concentrated dish liquid like Dawn® Platinum. Wash the stained plasticware with a sponge, just as you would with any other dish. Ensure you avoid rough scrubbing, as this can ruin the plastic.
After washing, place the plasticware on a drying rack and leave it to air dry. Once it is dry, move the container to a windowsill that gets direct sunlight. The sunlight will naturally bleach out the stain over time.
Check back periodically, as it may take several hours or even days for the stain to completely disappear.
Alternatively, you can try soaking the plastic container in a mixture of dish soap, baking soda, and water. Leave this mixture to sit for at least 15 minutes before scrubbing and rinsing the container. Repeat this process if necessary.
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Avoid using plastic containers in the future
While there are several methods to remove tomato sauce stains from plastic containers, avoiding plastic containers altogether is a more effective way to prevent stubborn stains and potential health risks.
Firstly, plastic containers can release microplastics and chemical additives into food, which can be ingested and lead to potential health issues. A 2023 study concluded that microplastics are released from food plastic storage containers, and experts recommend replacing them with alternative materials like glass. Even food-grade plastic containers, which are intended to prevent the transfer of non-food chemicals, can become contaminated and affect your health over time.
Secondly, plastic is very porous, allowing stains to set in and making them difficult to remove. Tomato sauce, in particular, often contains oil, which can make it even tougher to clean off any staining.
Thirdly, plastic containers can break down over time, especially when exposed to heat and cooling cycles. They may also not be suitable for all types of food. For example, only certain plastics are safe for microwave use, and single-use containers should be avoided for freezer storage.
By choosing glass or ceramic containers, you can avoid the hassle of removing stubborn tomato sauce stains and reduce potential health risks associated with plastic containers.
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Use sunlight to bleach out the stain
Sunlight is a great way to bleach out tomato sauce stains from plastic containers. Here is a step-by-step guide to help you get those stains out:
Firstly, hand-wash the stained container using a concentrated dish liquid and a sponge, just as you would with any other dish. Make sure to wash the container thoroughly, focusing on the stained areas.
Next, place the container on a drying rack and let it air dry completely. It is important to ensure that the container is completely dry before moving on to the next step.
Once the container is dry, place it on a windowsill that receives direct sunlight. The key to this method is exposing the stained areas to direct and intense sunlight.
Now, let the sun do its magic! The sunlight will naturally bleach out the tomato sauce stain over time. This process may take several hours or even a few days, depending on the intensity of the sunlight and the severity of the stain. Check on the container periodically to see the progress.
Finally, once the stain is completely removed, bring the container back inside and give it a quick rinse before using it again.
This method is an effective, chemical-free way to remove those stubborn tomato sauce stains from your plastic containers. It may take some time, but the results are worth the wait!
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Soak in a mixture of sugar, soap, and water
To get tomato sauce out of a plastic container, one method is to soak it in a mixture of sugar, soap, and water. This method is ideal if you want to avoid scrubbing or using harsh chemicals. First, rinse the container with warm water to remove any excess sauce. Then, fill the container with warm water and add a generous amount of sugar and dish soap. Close the lid and shake vigorously for a few minutes. Finally, open the lid and leave the container to soak for at least 15 minutes. The sugar and soap mixture will help to break down the sauce and remove the stain.
It is worth noting that this method may be most effective for fresh stains. If the stain has set, it may be more difficult to remove. In that case, you may need to repeat the process or try a different method, such as using baking soda or a stronger detergent. Additionally, if the sauce was warm or hot when it was put into the container, the plastic may have absorbed the orange/red oils from the sauce, making the stain difficult or impossible to remove.
To prevent stains in the future, you can line your plastic containers with plastic wrap before adding tomato sauce. Alternatively, use glass or ceramic containers, as they are less porous and less likely to absorb stains.
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Frequently asked questions
There are several methods to get tomato sauce out of a plastic container. One method is to soak the container in a mixture of dish soap and water. Another method is to use a combination of baking soda, dish soap, and water. You can also try using a concentrated dish liquid like Dawn® Platinum, which is designed to break up grease and tough stains.
To remove dried tomato sauce, make a baking soda-based solution by mixing two tablespoons of baking soda, one teaspoon of water, and a quarter teaspoon of dish soap. Mix the paste in the stained container, scrub, and let it sit for 15 minutes. Then scrub and rinse the container, repeating if necessary.
Yes, there are a few ways to prevent tomato sauce stains. One way is to line your plastic containers with plastic wrap before pouring in the sauce. Another way is to avoid microwaving tomato-based foods and sauces in plastic containers. Always cool down tomato-based foods before storing them, and remove plastic lids from containers when reheating in the microwave.











































