For the spruce tip syrup, fill a 1-liter measuring cup with the young shoots. If you can not find so many spruce tips, or want to take, you can also add shoots of fir, larch or pine, as well as young leaves of birch.
Fill up this amount with water until the 1-liter mark is reached. Boil the mixture with the lemon slices and let it stand for 24 hours.
The next day strain over kitchen towel, squeeze, measure juice, add as much sugar (1 l juice – 1 kg sugar).
Then let it simmer until it becomes a thick mass. Pour the spruce tip syrup into sterile bottles.