A quick tip: To prevent the jam from becoming sugary at the end of cooking, add a small amount of lemon juice to it. If the amount of sugar you poured in is also correct, your jam will never become sugary.
A quick tip: To prevent the jam from becoming sugary at the end of cooking, add a small amount of lemon juice to it. If the amount of sugar you poured in is also correct, your jam will never become sugary.