Moroccan pearl couscous pilaf

Ingredients

• 1 tbs extra virgin olive oil
• 1 small onion, diced
• 1 red capsicum, diced
• 2 tsp mustard seeds
• 1 1/2 tsp cumin seeds
• 1 tsp curry powder
• 1/4 tsp chilli flakes
• 2 cobs corn, hulled and kernels removed
• 1 zucchini, grated
• 250g packet pearl couscous
• 2 tbs tomato paste, salt-reduced
• 2 cups vegetable stock, salt-reduced
• 1/4 cup chopped fresh coriander leaves