Curried bean coconut cod

Name: Curried bean & coconut cod
Ingredients: 125g brown basmati rice; 200g can sweetcorn; 15g ginger, peeled; 2 large garlic cloves; 1⁄2 tsp mustard seeds; 1 tbsp garam masala; 1 tsp vegetable bouillon powder; 1⁄2-1 red chilli, deseeded and sliced (optional); 1 cinnamon stick; 160g green beans, trimmed; 160g whole cherry tomatoes; 160g baby spinach; 2 skinless cod loins (about 240g); 80g coconut yogurt; 10g coriander, chopped, plus extra to serve