Heat up the oil in a pan
Add the finely diced onions and cook the onions on medium heat for 4-5 minutes until softened, ensuring that you stir every few minutes, so the onions do not burn.
When the onions are lightly browned add the tomatoes and cook for a further 3-4 minutes until softened
Add the salt, chilli powder, turmeric powder, ginger paste and garlic paste then cook the spices for 2-3 minutes
Add a tbsp of water and cook for 3-4 minutes.
Add the chicken and mix into the masala before cooking for 8-10 minutes until the chicken is partially cooked.
Wash and cut the bell peppers into bite-size chunks then add to the pan and cook for a further 8-10 minutes until the bell peppers soften and the chicken has cooked through.
Add the finely chopped fresh coriander, sliced ginger, ground cumin, and the finely green chillies then cook for 1-2 minutes.
Serve with boiled rice or naan bread then enjoy!