Here is a goal: To make lemon curd in the microwave

Which way makes more sense to accomplish this goal?

Available choices:
[A]. Put 1/2 cup butter in a microwaveable bowl and cook in the microwave until melted. Zest four lemons using a zester, and add the zest to the butter. Add the lemons and one cup lemon juice to the bowl. In a separate bowl, use a balloon whisk to whisk three eggs together. Add the eggs and one cup sugar to the lemon mixture. Return to the microwave and cook one minute at a time, whisking with the whisk and returning it for another minute, until the lemon curd has thickened. Transfer to a lidded jar and keep refrigerated.
[B]. Put 1/2 cup butter in a microwaveable bowl and cook in the microwave until melted. Zest four lemons using a zester, and add the zest to the butter. Squeeze the lemons with a juicer, and add the lemon juice to the bowl. In a separate bowl, use a balloon whisk to whisk three eggs together. Add the eggs and one cup sugar to the lemon mixture. Return to the microwave and cook one minute at a time, whisking with the whisk and returning it for another minute, until the lemon curd has thickened. Transfer to a lidded jar and keep refrigerated.
[B].