Why is the skin on my tomatoes tough?

Chef's answer
So, why do your tomatoes have tough skins? Tomatoes can develop tough skin due to excessive heat, intense sunlight, or certain diseases such as anthracnose and curly top virus. Certain tomato varieties, such as Roma or plum tomatoes, are bred to have thicker skins to resist damage from insects..
Frequently asked Questions 🎓
New Mexico says, "To prevent the risk of botulism, chiles and other low-acid and tomato foods not canned according to the 1994 USDA recommendations in this guide should be boiled even if no signs of spoilage are detected. ... Boiling destroys botulism toxin. If in doubt, always boil foods before tasting.".
Gently place the tomatoes into the boiling water. If you have several tomatoes, boil them in batches of 3-4 at a time. Boil the tomatoes until you see the X begin to split open wider, or for 25 seconds, whichever comes first. Do not boil them for longer than 25-30 seconds or they will begin to soften and cook.
Bring a pot filled with water to a boil, enough to completely submerge the entire tomato. You can see the skin start to separate from the flesh when it's ready to be removed.
In order to get your tomatoes ready for mashing into a marvelous tomato sauce, you need to peel and seed them. Don't worry, it's very easy and quick to do. ... When water is boiling, put 2-3 tomatoes in the pan..
Tomatoes are the major dietary source of the antioxidant lycopene, which has been linked to many health benefits, including reduced risk of heart disease and cancer. They are also a great source of vitamin C, potassium, folate, and vitamin K.
Method
  • Remove the core from the top of the tomato.
  • Make a cross in the bottom of the tomato and plunge into boiling water for 15 seconds.
  • Remove the tomato from the water and peel. The skin should come away easily.
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    ? Boil a pot of water and add the tomatoes (no more than a dozen tomatoes at a time). ? Boil for about 30 to 60 seconds, or until the skins start to peel back. ? Remove the tomatoes with a spoon and drop them into the ice bath.
    A few more cooking questions 📍