Is there a difference between tomato sauce and ketchup?

Ketchup is made with tomatoes, sugar, vinegar/acetic acid and spices. Whereas, tomato sauce is made from tomatoes, oil, meat or vegetable stock and spices. Another major point of difference between the two is, sauce generally does not contain sugar while ketchup has a specific amount of sugar and other sweet spices.Click to see full answer. Similarly, can I use tomato sauce instead of ketchup? More Tomato Sauce Substitutes Ketchup: Use one cup of ketchup in place of one cup of tomato sauce. Add spices to tweak the flavor as needed. A bit of basil is a good choice. Tomato soup tends to be sweeter than most tomato sauces, so you may need to make some flavor adjustments.One may also ask, is ketchup considered a sauce? 4 Answers. Strictly speaking, the dictionaries are correct: Tomato ketchup is a form of tomato sauce, since a sauce is simply “a liquid, semi-solid, or cream food served on other foods”. Ketchup is very specifically a sweetened and thickened tomato puree that usually contains vinegar, onions, garlic, and other spices. In this way, why tomato sauce is called ketchup? It turns out ketchup’s origins are anything but American. Ketchup comes from the Hokkien Chinese word, kê-tsiap, the name of a sauce derived from fermented fish. It is believed that traders brought fish sauce from Vietnam to southeastern China. Mushroom ketchup was even a purported favorite of Jane Austen.Do you have to put ketchup in meatloaf?The purpose of the ketchup, or sauce, is to provide additional flavoring and to protect the top of the loaf from drying out. I have never liked ketchup. For best results, use a meatloaf pan that is actually two pans: The loaf sits in the top pan that has drain holes to allow the meat fat to drip into the pan below.