Prawn, chilli and zucchini fettuccine

Ingredients

• 375 gram fettuccine
• 1 tablespoon olive oil
• 2 zucchinis, coarsely grated
• 2 clove garlic, finely chopped
• 2 long red chillies, seeded, finely diced
• 500 gram medium green prawns, peeled, deveined
• 1 lime finely grated zest, juice
• 1 cup low-fat cooking cream
• mint leaves, to serve