Microwave biryani

Name: Microwave biryani
Ingredients: 2 spring onions, finely sliced; 1 fat garlic clove, crushed; knob of butter; seeds from 1 cardamom pod; ¼ tsp chilli flakes; 140g rice; 400ml vegetable or chicken stock; ¼ tsp turmeric; ¼ tsp ground cumin; pinch of cinnamon; 1 tbsp raisins or sultanas; 200g vegetables of your choice, finely chopped or grated (try a combination of grated carrot, frozen peas, peppers in 1cm chunks or finely sliced mushrooms); small handful of coriander or mint leaves, to serve