2. Add 750 ml of water to the pot, heat it to boiling with high fire, pour in white sugar and strawberry jam, and stir well. Mix the starch into a thin paste with a small amount of water, pour it into a pot, stir it constantly, boil it, and cool it off from the fire to form a slurry. Stir the cooled slurry evenly, inject it into a clean popsicle mold until it is 90% full, insert the popsicle, and put it in the freezer of the refrigerator for freezing.