Does curry paste need to be cooked?

Chef's answer
The beauty of soups that use Thai curry paste is that you usually don't have to simmer them for very long since the paste is so flavorful by itself. Many soups combine Thai curry with coconut milk since the milk adds richness and tempers the spiciness of the paste.
Frequently asked Questions 🎓
Ah, yes, tomato ketchup has the body and robust flavor of tomato paste with a bit of added sugar and seasoning, so it makes a great substitute for tomato paste in cooking.
Tomato Paste: You'll just need one small can of tomato paste for this one. If you find yourself without tomato paste but your have a small can of tomato sauce, you can use that instead.
It's not quite as thick as tomato paste, but it's much thicker than sauce or fresh tomatoes. Keep in mind that ketchup contains vinegar, sugar, and spices, so adding ketchup to your favorite recipes will certainly change their flavor profile.
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Tomato paste is a great thing on hand when making a tomato-based pasta sauce, since it can intensify the umami tomato flavors already on hand. It's a key ingredient in this simple marinara sauce, which you can make entirely from canned tomatoes. It's also crucial in this umami, salty puttanesca sauce.
Both tomato sauce and tomato puree can be pinch hitters in recipes where tomato paste is used for flavoring. Substitute 1 tablespoon tomato paste with 2 tablespoons tomato puree or tomato sauce and the reduce the other liquid in the recipe by 2 tablespoons.
You can't just stir some tomato paste into a sauce or some vegetables and expect it to taste fantastic. It won't. You'll still get a sort of raw tomato flavor (even though the tomatoes are cooked), not even close to the umami-bomb that we're looking for.
A few more cooking questions 📍