Squeeze the juice of 6 lemons into a large bowl and set aside.
In the meantime add cold water to a pan and heat gently. Once warm, remove from the heat and add the honey. Whisk well until combined.
Pour the water and honey into the bowl with the lemon juice
Add the 1 litre of sparkling water to the bowl and whisk really well.
Strain the lemonade through a sieve before grabbing yourself a glass with ice to enjoy. I will guarantee this is the best and healthiest lemonade you will ever try.