1, tomato sauce simmered until the soup thick a little on it, usually to simmer for thirty minutes.

2, first picked tomatoes with clean water, put into the boiling water inside the hot, peel off the skin, in the peeled skin of the tomatoes with a knife, chopped, in the oil-free clean pot in a high-flame simmering, generally simmering for twenty minutes to thirty minutes, simmering color red, soup thick can be.