2. Tomato sauce, tomato sauce-like concentrated products, with ripe red tomatoes as raw materials, crushed, pulped, peeled and seeded and then concentrated, canned, sterilized and made.

3. The finished product is bright red sauce-like body, with the unique flavor of tomato.

4. It is widely used in western cuisine, and is mainly used in Chinese cooking for the modulation of sweet and sour "tomato juice" flavor.

5. Such as fish flower in tomato sauce, tomato rabbit, tomato sauce, such as tenderloin.

6. Lemon is a good antioxidant, can extend the shelf life of tomato sauce.

7. It is recommended to use heat-resistant glass containers with lids that can be sealed when you put ketchup, wash them with boiling water before use, and keep the bottles dry.

8. When you take jam from the bottle, use a clean, waterless spoon, and it is best to take as much as you can, and put the lid on the bottle tightly after removing it.

9. Store homemade ketchup in the refrigerator freezer for up to 7 days.