Zest each lemon onto a parchment-lined baking sheet.
Place the baking sheet in a 175-degree oven for 30 minutes.
Remove from the oven and gently break apart.
Combine dried zest with sea salt in a large bowl.
Divide into four 6 ounce jars with airtight lids.
Notes
The lemon zest will last approximately 3 months in a dry place in an airtight container.Use about 2 tablespoons (1-2 large lemons) of dry zest to 1/2 cup of salt.
Nutritional information is provided as a courtesy and is an estimate only. This information comes from online calculators. Although attempts have been made to provide accurate nutritional information, these figures are only estimates.