Moved the raspberries to put in a large pan. Lemon pour over boiling water, dry, remove the zest grater, juice press. Juice and zest mix with raspberries. To fall asleep sugar and Selfexam. Mix well.

While stirring bring to a boil and cook for 3-4 minutes on low heat, gently stirring. To remove the foam as needed.

Remove from heat and immediately put into sterile jars, close with sterile lids. Put upside down for 5 minutes. Store in a cool and dark place, not necessarily in the fridge. You can use any gelling powder, pectin.