Heat butter in a pan and melt it.

Add wheat flour to it and mix well with no lumps.

Cook till it gives aroma and add little milk mix well.

Cook till it mix properly and it thickens add some more milk.

Add cloves and tej patta and cook for sometime.

Add salt and pepper and mix it well and when it thickens turn off gas and white sauce is ready.it can be used to make pastas lasagna.