Step 1, wash the tomatoes, remove the tips, and cut them into pieces.

Step 2, non-stick skillet put the right amount of olive oil to heat, put the peeled and chopped garlic puree, medium-low heat slowly garlic puree fried flavor, garlic puree slightly golden brown.

Step 3: Add the chopped tomatoes to the nonstick skillet and bring to a boil over high heat.

Step 4: Add the appropriate amount of rock sugar.

Step 5: Add appropriate amount of white vinegar.

Step 6: Simmer slowly over medium heat, and when it finally starts to collect the juice, the ketchup will splash out of the pot, at which time change to medium-low heat, stirring constantly with a spatula and simmering until it reaches the consistency you like.

Step 7: Put the simmering ketchup into glass jars, which need to be sterilized by boiling water and drained beforehand. Cover the jars while they are still hot and place them upside down on the countertop so as to eliminate bacteria. Once cooled, place in the refrigerator.