Family Tested & Approved
In microwave safe bowl
whisk together the sugar and the eggs until smooth.
stir in the lemon juice, zest and butter cook at 1 minute intervals stir after each minute until thick enough to coat the back of a metal spoon
Remove and spoon into a small clean jar, or make several batches and spoon into sterile jars and give as gifts, Keeps up to 3 weeks in refrigerator
I recommend straining it thru a small metal strainer just to catch any bits of egg white, and make it smoother. It also thickens more after cooling