01 -
Wash and dry lemons thoroughly. Use a fine grater to remove only the yellow zest, avoiding the white pith. Juice lemons carefully and strain out all seeds to prevent bitterness.
02 -
In a heavy-bottomed pot, mix lemon juice, zest, sugar, and water. Stir continuously until sugar is fully dissolved to ensure a smooth base.
03 -
Bring mixture to a rolling boil over medium heat, then reduce to a gentle simmer. Cook for 30 to 40 minutes, stirring occasionally to prevent sticking. The mixture will thicken as water evaporates and natural pectin activates.
04 -
Place a small plate in the freezer before cooking. Drop a spoonful of jam onto the cold plate and wait 30 seconds. If the surface wrinkles when touched, the jam is ready. Otherwise, continue simmering in 5-minute intervals and test again.
05 -
Allow jam to cool for 5 minutes. Pour carefully into sterilized jars, leaving 6 millimeters of headspace. Seal immediately with sterilized lids and rings. Cool completely before storing in a cool, dark place.