Jeez, lazy bones! Like the answer to almost all of lifes questions, it depends on how complex you want it to be. You can introduce ham, cumin - use your imaginations - but here's a decent rustic version, courtesy of Auntie BBC:
http://www.bbc.co.uk/food/recipes/da...up_73873.shtml
110g/4oz peas
½ pint vegetable stock
large splash of double cream
salt and freshly ground black pepper
handful of basil leaves
1 garlic clove, peeled and crushed
double cream, to serve
cracked black pepper, to serve
While we're on the topic, here's a cracking website:
http://www.cookingforengineers.com/
I adore this site, not so much for the recipes but the content. Has to be one of my favourite sites... er, after englishforum.ch, of course. It rocks