In a pan add water
Add pasta ,salt and oil
Boil it 8 to 10 minutes
Strain it
Take a pan add oil and butter
Add all purpose flour stir it
When it start to change its colour add milk stir it continuously
When it become thick switch off the gas
Take another pan add butter and oil
Add bell peppers
Soyte it
Now add some milk or water
Add boiled pasta
Also add white souce
Add cheese