You can make a quick sauce that cooks just long enough to heat the tomatoes through or you can make a more complex sauce with more ingredients that may have to cook for hours. The main factor is in the ingredients. If there are ingredient that need heat and time to blend their flavors you need to cook it longer. Or if the tomato sauce is too watery, the cooking may be needed to thicken it.
Sure
cook raw potatoes in the sauce
No. Discard any moldy tomato sauce. You cannot cook it safe.
I cook fresh tomato sauce in my Magnalite all the time and never get a horrible metallic taste. I use a wooden spoon to stir it, though.
No, not at all. This method of cooking has been done for a long time. This is okay to cook this way.
As the name "Tomato sauce" suggests, tomato sauce is a sauce who's main ingredient is tomatos.
To cook your fresh tomatoes into a sauce or a paste, chop and blend them. Cook in a wide pan on medium low until the tomatoes have reduced to a sauce or paste according to your liking stirring constantly Season with salt and a bit of sugar if necessary. Careful to not burn.
tomato sauce
in a factory that makes tomato sauce.
Yes, although i'd boil the sherry first to remove the alcohol !!
Homemade tomato sauce can last for about 5-7 days when stored properly in the refrigerator.
Yes, you can cook tomato sauce in Calphalon Unison sauce pans. These pans are designed to provide even heat distribution and have a nonstick surface that makes cooking and cleaning easier. Just be mindful of the temperature, as high heat can damage the nonstick coating. Stir occasionally to prevent sticking and ensure even cooking.