Use a zester or fine grater to remove the zest from the lemons, being careful to avoid the bitter white pith.
Mix the lemon zest with granulated sugar in a bowl, using a ratio of about 1 tablespoon of zest to 1 cup of sugar.
Rub the lemon zest into the sugar with your fingers to release the oils and infuse the sugar with lemon flavor.
Transfer the lemon sugar to an airtight container and let it sit for at least 24 hours to allow the flavors to meld.
Sprinkle lemon sugar over cookies, cakes, or fruit salads to add a bright citrus flavor.
Customize your lemon sugar by adding other flavors like vanilla or herbs such as lavender or mint.
Package lemon sugar in decorative jars to give as thoughtful homemade gifts to friends and family.
Use your homemade lemon sugar to elevate the flavor of your favorite desserts and beverages with a hint of citrus brightness.