Prawn and chorizo pasta

Ingredients

• 2 tablespoon vegetable or olive oil
• 400 gram frozen peeled prawns, thawed
• 1 chorizo sausage, sliced
• 1 small red onion, cut into thin wedges
• 2 clove garlic, crushed
• 250 gram green beans, cut into 2cm lengths
• 400 gram angel hair pasta
• 2 large tomatoes, coarsely chopped
• 1/2 cup coarsely chopped flat-leaf parsley
• 100 gram fetta, crumbled