1. Prepare a pound of fresh strawberries.
2. After cutting, add 50 grams of rock sugar and cook for 3 to 5 minutes in a pot on high heat (it will be ready when the rock sugar is melted). Stir constantly in the pot with a spatula.
3. Simmer over low heat for 5 minutes, add the juice of half a lemon
4. The cooked strawberry jam is sour and sweet
Tips:1. Use medium heat when cooking
