1, tomato sauce simmer for about 15 minutes;

2, prepare a pot of hot water (about 60 degrees can be, do not have to boil), the washed tomatoes into the pot, cover the lid, simmering for 2 minutes, 2 minutes later, visible tomatoes automatically peeled.

3, the peeled tomatoes cut into several large pieces, tomatoes, if there are unripe, green seeds, to remove, so as not to affect the taste;

4, with a blender to break up the tomatoes, tomatoes first cut into large pieces, and then broken up, in order to avoid the loss of too much juice in the process of cutting;

5, the broken up tomato juice poured into a pot, add the icing sugar, boiled to a small fire after turning Simmer. Cooked to more viscous, it is necessary to use a spatula from time to time to stir a stir, to avoid sticking to the pot;

6, simmered to viscous, presenting the "sauce" look, squeezed into the appropriate amount of lemon juice, continue to simmer for three or four minutes.