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Blanching tomatoes is the process of boiling them briefly and then plunging them into icy water. It's a technique that makes it easier to peel the tomatoes without turning them to mush. As far as cooking goes, it's a simple process that is required for most tomato soup or sauce recipes.
- Prep time: 10-20 minutes
- Cook time: 1 minute
- Total time: 10-20 minutes
Steps
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Wash the tomatoes under cold water. Gently run the tomatoes under cold tap water to remove any dirt or debris before you cook them. Slowly turn each tomato under the tap so that its entire surface is exposed to water. [1] X Research source
- Only use firm tomatoes that are glossy and deep red. Remove any tomatoes that have soft or rotten spots as you clean them.
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Trim the stems using a small knife. Insert the top 1 centimetre (0.39 in) of your knife into each tomato, with your thumb on the tomato and your remaining four fingers on the dull edge of the blade. Hold the bottom of the tomato with your free hand and cut in a circular direction around the stem. [2] X Research source- If you're using a stem remover, insert the serrated teeth into the tomato and twist it around until it's as far as it can go. Afterwards, pull the tool directly out to remove the stem.
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Cut a 1 inch (2.5 cm) "x" into the bottom of each tomato. Hold a small, sharp knife above the tomato and gently drag it along the bottom. Cut the "x" deep enough to pierce the skin without going too much into the flesh. Creating an "x" will allow the heat from the boiling water to enter the tomato and loosen the skin, making it very easy to peel. [3] X Research source
- Each line should be about 1 inch (2.5 cm) long.
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Boil a large pot of water. Use a pot large enough to hold all your tomatoes and fill it about 3/4 of the way full. You should have enough water to fully submerge all of your tomatoes. Add 12 tablespoons of salt per 1 gallon (3.8 L) of water and then bring it to a rolling boil, which is when the water doesn't stop boiling when stirred. [4] X Research source
- Salt is not necessary, but it increases the boiling point of water. This helps it come to a more steady boil than unsalted water. [5] X Research source
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Prepare an ice water bath. Fill a large bowl with water and ice. Set this bowl aside for now—it will be used to prevent the tomatoes from cooking too much after you boil them. Extended cooking can cause the tomatoes to get mushy.
- If you're blanching more than a dozen tomatoes, create another ice water bath. About 1 per dozen should be fine.
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Submerge the tomatoes in the boiling water for 30 to 60 seconds. Don't submerge more than a dozen tomatoes at a time, as they will become too hard to manage. [6] X Research source
- You'll know the tomato is ready when its skin starts to peel back. [7] X Research source
- Smaller tomatoes might cook as quickly as 30 seconds. The time varies depending on tomato size.
- Don't cook your tomatoes for too long – this can cause the flesh to get grainy and mushy.
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Remove the tomatoes with a slotted spoon 1 at a time. Gently remove each tomato from the water. Hold each tomato over a sink or empty bowl to minimize the amount of boiling water you bring with you. [8] X Research source
- Turn off the element heat before removing the tomatoes.
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Plunge the tomatoes in the ice water for 30 seconds to 1 minute. Afterwards, remove them using your hands and place them on a cutting board. Use a clean rag to gently dry them off.
- Turn each tomato around with your hand to make sure its entire surface is exposed to the ice water.
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Peel away the skin starting from your "x" immediately after drying. If the tomatoes have been cooked and cooled properly, the skin should peel off with little trouble using your hands. Use a sharp knife for tough spots by gently sliding it under the tomato skin and lifting.
- Work slowly and take care not to cut the tomato flesh.
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Place your skinned tomatoes onto cookie sheets and put them in the freezer. Check on them after 1 hour—if they're not completely frozen, leave them in for another hour. [9] X Research source
- Gently squeeze each tomato when you check on them—if there are any soft spots, they need more time in the freezer.
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Transfer your frozen tomatoes into freezer bags. Seal each bag as tightly as possible to minimize the air inside and reduce spoilage. Afterwards, put them back in the freezer for a maximum of 8 months. [10] X Research source
- When using frozen tomatoes, you can remove them one at a time or all at once.
- Signs of bad tomatoes include mold, discoloration, and a rancid odor.
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Community Q&A
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QuestionCan I freeze the blanched tomatoes to make sauce later?Community AnswerI did that last year and my sauce turned out great. I froze the blanched tomatoes in gallon freezer bags and thawed them out before making sauce.
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QuestionCan I cut out ugly spots that are bruised and then stick them in boiling water?Community AnswerI would so as not to waste any bits. Cut a cross in the skin and then blanch them in boiling water until the skin is able to be peeled off.
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QuestionWhat kind of knife should I use for blanching tomatoes?Community AnswerA sharp, small paring knife would be ideal.
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Things You'll Need
- Water
- A large pot
- A medium-sized bowl
- Ice
- A sharp knife
- A slotted spoon
- Clean rag
- Cookie sheets
- Freezer bags
Tips
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Warnings
- Make sure the knife you're using is sharp. Sharp knives are safer than dull ones because they require less force to do the same job, decreasing your chances of cutting yourself. Be careful and keep your fingers away from the blade whenever possible.Thanks
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References
- ↑ https://www.canada.ca/en/health-canada/services/food-safety-fruits-vegetables/tomatoes.html
- ↑ https://foodsafety.wisc.edu/assets/pdf_Files/safe_handling_tomatoes.pdf
- ↑ https://www.foodnetwork.com/how-to/packages/food-network-essentials/how-to-peel-tomatoes
- ↑ https://www.foodnetwork.com/how-to/packages/food-network-essentials/how-to-peel-tomatoes
- ↑ https://van.physics.illinois.edu/ask/listing/1457
- ↑ https://www.tastingtable.com/cook/national/how-to-blanch-tomatoes
- ↑ https://www.tastingtable.com/cook/national/how-to-blanch-tomatoes
- ↑ https://www.foodnetwork.com/how-to/packages/food-network-essentials/how-to-peel-tomatoes
- ↑ https://food.unl.edu/article/freezing-tomatoes
About This Article
Article Summary
X
To blanch tomatoes, first cut the stem out of each tomato with a knife. Score a 1-inch (2 ½-cm) x into the bottom of each tomato. Bring a pot of water to a boil and fill a bowl with cold water and ice. Place the tomatoes in the boiling water and let them cook for 30-60 seconds or until the skin starts to peel back. Then, transfer the tomatoes to the bowl of ice water with a slotted spoon so they stop cooking. Leave them in the ice water for 1 minute, then remove them. Finally, peel the skin off the tomatoes by pulling it starting from where you scored the x. To learn how to store your blanched tomatoes, scroll down!
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Reader Success Stories
- "I always cut the stem out after blanching and peeling prior to chopping to make sauce. Cutting the stem out first and doing the cross-cut on the other end was a time-saver and so efficient. Thank you." ..." more
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"I always cut the stem out after blanching and peeling prior to chopping to make sauce. Cutting the stem out first and doing the cross-cut on the other end was a time-saver and so efficient. Thank you."
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"A great article, because my tomatoes did so well this year that I did not want them to go to waste. So glad I looked up blanching."
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