Add the oil to a large saucepan or frying pan. Add the chicken drumsticks, sliced onion and crushed garlic cloves and brown for 6-8 minutes
Add the chicken stock powder, onion powder, garlic powder, dried parsley, cornflour, mustard powder and sugar to a bowl. Add the cream to the bowl and mix with a fork to combine. Add to the saucepan and stir. Cover and simmer for 30 minutes
Cook the rice according to packet directions
Add the green beans to a large saucepan, cover with water and bring to the boil. Continue to simmer for 8-10 minutes. Drain the water once cooked
You can either serve the chicken on the bone or remove the chicken and stir back through the sauce. Taste and season with pepper. Add extra mustard powder if needed, stir to combine
Serve the chicken on top of the rice and the green beans on the side