Zola Nene’s 15-minute microwave sweetcorn and cheddar risotto

Ingredients

• 1 tbs olive oil
• 20g butter
• 1 onion, finely chopped
• 2 garlic cloves, finely crushed
• 2 tsp chopped thyme
• 1½ cups Arborio or risotto rice
• 4 cups vegetable stock
• 1 tin creamed sweetcorn
• 100g mature cheddar, grated
• Salt and pepper