Tomato sauce is ketchup used in hot dishes without seasoning, it does not affect the flavor of cooking.

Tomato salsa is tomato paste with sugar and salt fried in salad oil, tomato salsa has various flavors.

Ketchup is a concentrated product of fresh tomatoes in sauce form, with a strong tomato flavor. When consumed, ketchup is often used as a cooking ingredient for fish, meat and other foods, and is a good seasoning to add color, acid, freshness and aroma, and is an important seasoning to form the flavor characteristics of Hong Kong and Guangdong cuisines. Tomato is already an imported product, tomato sauce is more full of foreign flavor. Nowadays, there are countless brands of ketchup in the supermarkets, but senior chefs still prefer to make their own ketchup.

Tomato salsa is reddish-brown, saucy, delicate body, sweet and sour taste and slightly spicy flavor. Mainly used in Western food, such as fried pork chops and part of the gazpacho on the tomato sauce, or for tomato oxtail soup, tomato shrimp and so on. Simply put, ketchup is pure tomato, and tomato sauce is made after tomato sauce is flavored. Tomato salsa can be eaten directly, while ketchup must be cooked. Ketchup has considerably more lycopene than ketchup.

The production method of tomato sauce: fresh tomatoes boiled and peeled, remove the seeds, put into a blender to break; pan in the olive oil, garlic, onion diced fried until the onion becomes soft, put the broken tomatoes; mixing and stir-frying, put the bay leaf, rum, water, sugar, salt, pepper to taste, with a medium heat to cook until the soup thickened, take out the bay leaf, the tomato sauce will be ready.

Tomato salsa production method: hot pan into the refined oil, under the garlic and onion minced fried, then pour into the tomato sauce, mixed with fresh soup, seasoned with sugar, refined salt, pepper, put the leaves, small fire will be the water to dry, pick the leaves, that is, into the tomato salsa.