Red and white sauce pasta

Heat butter...add plain flour and cook it till slight change in the colour. now add milk and boil it and cook till nice and thick. Now off the flame...white sauce is ready.

Take another pan heat some butter add onion,tomato,garlic,onion and saute it. Now add ketchup and cook it.

Add white sauce in this and some cheese and salt now add pasta mix it properly.

Ready to serve.