Boil the pasta (add salt in water)till it's get soft and then drain the boiling water and wash the pasta with cold water and then apply refind oil so it don't get sticky

Heat the butter add maida and saute it and then add milk in it and mix properly till one boil add some pepper powder and grated cheese Ur white sauce is ready

Now cut onion and bell pepper in cubes garlic into small pcs heat oil in a pan add garlic and saute and then add onlion and bell pepper and saute for 2 min and then add pasta white sauce black pepper powder salt and mix them well and then add pasta seasoning red chilli flakes and white vinegar in it and mix well and serve hot with garlic