01 - Rinse the lemons thoroughly under running water to remove any dirt or residues.
02 - Roll each lemon firmly on the countertop to soften and maximize juice extraction.
03 - Slice the lemons in half crosswise using a sharp knife.
04 - Use a citrus juicer or reamer to press and rotate each lemon half, collecting juice in a bowl while catching seeds.
05 - Optional: Pass the collected juice through a fine mesh sieve to remove seeds and excess pulp.
06 - Use the lemon juice immediately or transfer it to an airtight container and refrigerate for up to 5 days.