Wash and dry lemons.
Zest one of the lemons and set it aside. Get some juice from half of that one.
Cut out the seeds of the other, then put the entire lemon into a food processor and pulverize.
Gather up the reserved seeds and pith and place them into the center of a cheesecloth square.
Wash strawberries and chop them well. Place them in a glass or plastic bowl and add the sugar. Stir to combine and cover. After about an hour…
Pour the lemon mixture, a cup of water and any strawberry juice and sugar into a large, wide, non-reactive pan with the sachet included.
Bring to a boil, simmer 10 minutes, let cool.
When the lemon mixture is cool, add strawberries