[header] How to cook aubergine [title] Wash the aubergine thoroughly. [step] Check for brown spots or bruises. If the skin is in good shape, it is edible, though some varieties have skin that is too tough to eat. 
Peel the skin with a vegetable peeler if you think it's wise-younger aubergine skin is fine to eat, but older, more ripened aubergine skin has a bitter taste. Cut off the stem and base, too.