Heating the sauce on the stovetop, even for a few minutes, will bring all of the ingredients together, which makes it taste and smell so much better. I tasted the sauce before adding it, which was fine, clean and simple. 11 Comments; 176860 Views; Spaghetti sauce burnt 5 Comments; 2673 Views; Why does my tomato sauce taste bitter.I added sugar and seasonings 5 Comments; 7261 Views For tomato sauce, one tablespoon of fish sauce is usually adequate for a two-quart recipe. + 7. vote up Answer by tessamalk (466) You only need a little bit of sugar, really; probably two teaspoons per jar of sauce. Look for fish sauces that aren’t doctored up with unnecessary ingredients to mask off flavors or odors. You add sugar to tomato sauce because tomatoes are very acidic and the addition of sugar makes the tomato flavour much more gentle and palatable. Fish sauces that aren’t high quality can use sugar or spices to flavor the sauce. pizza/pasta sauce tastes sour 15 Comments; 18748 Views; How do I fix a tomato gravy that is too tangy? Thre is no real way to remove the sugar.. You can only dillute it. If you have time, allow the sauce to reduce on low heat for 15 to 30 minutes. 5) Sugar. Then I made my gastrique , which involved no measuring -- maybe 1/4 cup of vinegar and 3 tablespoons of sugar -- and a quick boil into something thick and syrupy.. Instead, I like a sauce that has some salt added at the beginning of cooking, but not as much as you find in canned sauce. How much sugar should I add to tomato sauce to make it less acid? You can also try adding cinnamon to the mix--it does a fantastic job of cutting the acid and adds some great, subtle flavor! Not a lot. Some 95% of the time I make my own red sauce, doing the above and then even adding a meat component like sausage or ground beef will get the sugar level back ih line if too heavy.. A teaspoon at a time then stir and taste. This will concentrate the sugar and ingredients for a more robust flavor. Once your sauce is finished simmering, give it a taste. You can add more salt and pepper at this point. Another best practice for incorporating sauce and pasta is to combine the two while still in a warm pan, tossing everything together to make sure the sauce reaches every nook and cranny. You add sugar to tomato sauce because tomatoes are very acidic and the addition of sugar makes the tomato flavour much more gentle and palatable. More pasta sauce than that and go up to a 14oz can of unseasoned tomato sauce. Once we had blanched and peeled the tomatoes we chopped them, strained the seeds, and simmered it for twenty minutes into a simple sauce. The other thing to add though is sugar.