In a baking dish, create a layer of coarse sea salt.
Add the zest of at least 5 lemons and mix well.
Pour in the juice from the lemons and stir again.
Bake at 190°C (375°F) for 20 minutes, then lower to 150°C (300°F) and bake for another 10 minutes.
How to Keep Lemons Fresh Longer and Prevent Mold
