8tablespoonsroom temperature unsalted butter, cubed, divided
Instructions
Whisk the sugar, eggs, salt and lemon juice in a microwave-safe bowl. Add 4 tablespoons of the butter.
Microwave the mixture in 1-minute intervals, stirring after each, until the curd thickens enough to coat the back of a spoon. This will take between 4 and 6 minutes.
Remove the bowl and add the remaining 4 tablespoons of butter, stirring to combine. Strain if lumps occur, then store uncovered in the fridge till cool. If not using right away, keep covered in the fridge.