Spicy rice

This dish is from cookbook called perfect Mexican. We love Mexican food so I decided to try this rice recipe. It is so delicious.
Ingredients 

3 tbsp olive oil
6 scallions, chopped 
1 celery stalk, finely chopped 
3 garlic cloves, finely chopped 
2 green bell peppers, seeded and chopped 
corn kernels, cut from 1 ear fresh corn 
2 fresh mild green chilies,
seeded and finely chopped 
1 1/4 cups long grain rice
2 tsp ground cumin
2 1/2 cups chicken stock
2 tbsp chopped fresh cilantro
salt and pepper
fresh cilantro springs to garnish
Preparation Method
Heat  the oil in a large pan over medium heat. Add the scallions, celery and garlic and cook for 5 minutes. Add the bell peppers, corn, and chillies and cook for 5 minutes.
Ad the rice and cumin and cook, stirring to coat the grains in the oil for 2 minutes. 
Stir in the stock and half the chopped cilantro and bring to a boil. reduce the heat, cover and let simmer for 15 minutes, or until all the liquid has been absorbed and the rice is just tender.
Remove from the heat and fluff up with a fork. Stir in the remaining chopped cilantro and season to taste with salt and pepper. Let stand, covered, for 5 minutes before serving.