Over medium/high heat in large pan; cook chicken with frying oil, salt and pepper until browned and cooked through. Remove from pan and set aside.
Reduce heat to medium and allow pan to cool for 1 minute.
Melt butter in pan and stir in pasta. Continue to stir and fry pasta in butter until golden brown. Add rice and toast for 20-30 seconds.
Add stock and garlic powder. Bring to a boil, reduce heat to medium/low, cover and cook for 8 minutes (stir occasionally).
Add broccoli florets, cover and cook 2 more minutes. (check that the rice is done)
Add cooked chicken and cheese.
Remove from heat and serve.