Take pan and in that pan add butter when butter is melted add oil and then add wheat flour in it and mix it well

When flour is properly mixed with butter add milk in it and mix it then add cheese slice pieces and mix it well when cheese is dissolved switch off the flame. Now our cheesy sauce is ready. If you having melted cheese than no need of preparing sauce you can try that also.

Now take a plate and put all nachos in that plate now add boiled corns chopped onion and chopped capsicum now add prepared sauce on the top of the nachos. Then sprinkle oregano and chilli flakes