Tomatoes are a fruit, not a vegetable, so they don't need blanching. Short immersion in boiling water (blanching) stops the enzymes on the vegetables, so they don't continue to process the food. Corn and beans are the worst.
https://www.thespruceeats.com/blanching-vegetables-before-freezing-1327660
Here's a couple of links on blanching...pay attention to the rapid cooling after the boiling water! It says that steam can be used for blanching, I hadn't considered that; so I learned some blanching information today myself.
I agree on the need for prepping posts, knowledge is survival. Let me know, but it's hard to do a good post on 'schedule'; but I'll make the attempt!
👍💙🙏📖🙏💗🤠