Juicing an old lemon

I needed some lemon juice for a recipe but I only had an old lemon in the fruit bowl that had become very stiff.  I remembered reading something about heating an old lemon to juice it so I put the lemon in the microwave for thirty seconds.


Taking it out the lemon had softened considerably: it juiced very easily.  Next time I’ll remember to let the lemon cool  before cutting it open!