There is no MSG is sweet and sour sauce.
Sweet and sour sauce whether homemade or store bought will last in the fridge for up to a month.
You can freeze homemade sweet and sour sauce by placing it into a freezer safe lidded container and it will keep up to 3 months in the freezer.
Sweet and sour sauce is made of ketchup as well as cornstarch, soy sauce, vinegar, water and sugar.
Sweet and sour sauce is made of pineapple juice, ketchup, soy sauce, brown sugar and rice vinegar.
To make sweet and sour sauce combine the above ingredients and bring to a boil over medium heat.
Then stir in some cornstarch slurry and cook it until it's thickened, about 1 to 2 minutes.
Then remove it from the heat and use it immediately or store it in an airtight container in the refrigerator for up to 2 weeks.
Instead of sweet and sour sauce you can use Hoisin sauce instead as it's similar to sweet and sour and can be used as a substitute for sweet and sour sauce.
Hoisin sauce is similar to sweet and source sauce and you can substitute Hoisin sauce for sweet and sour sauce.
Hoisin sauce is also sometimes referred to as a Chinese BBQ sauce.
The hoisin sauce is a thick soybean sauce which is slightly sweet and also a bit sour.
If you can't find Hoisin Sauce you can also substitute Black Bean Paste but it may be a bit spicier.
Hoisin sauce is not duck sauce as they are different sauces although they are similar.
Hoisin contains soya sauce, while duck sauce includes a mix of fruits.
However both duck sauce and hoisin sauce taste sweet, and you can use them to substitute for each other.
Hoisin sauce is a bit saltier than duck sauce though but equally delicious.
Duck sauce is an American thing and originated in America.
Duck sauce is made of plums, apricots, pineapples or peaches added to sugar, vinegar, ginger and chili peppers.
Duck sauces real name is plum sauce and the reason why it's called Duck Sauce is because of the way it was traditionally served with Peking Duck although Peking duck is often served with a similar sauce called hoisin sauce.
Duck sauce is also known as plum sauce and is made of plums, apricots, pineapples or peaches added to sugar, vinegar, ginger and chili peppers.
Duck sauce also is used in more traditional Chinese cuisine in the form of plum sauce.