2. Wash the strawberries, drain the pedicels, put them in a large and deep pot, and pour in sugar to cook for 30 minutes; When there is moisture oozing from strawberries, bring them to a boil on the fire, turn to low heat and cook slowly until they become sticky, squeeze in 1/3 lemon juice, and continue cooking, stirring from time to time to prevent them from sticking to the pot until they become sticky.
It's best to choose fresh fruits such as mango, pineapple and strawberry this season. It is rich in this season. Be careful not to rot. When the small and medium-sized fire is slightly sticky, it should be stirred from time to time to avoid paste bottom; The sugar used to cook jam can be white sugar, rock sugar, soft candy and so on. Sugar can't be too little, because sugar has high permeability to fruits, which can prevent the growth of bacteria and is a natural preservative. Enamel, stainless steel pot and copper pot are the best ways to make jam. Aluminum pot can barely make it, and the most unfavorable thing is the iron pot.