How to Make Green Mac and Cheese?

Use evaporated milk or semi skimmed milk to make it super rich. Any kind of cured meat, i would say, would go down really well. I've also done a hybrid recipe where you make e abethmel sauce and you make macaroni cheese,. but you add a load of peas and a mix of fish pie mixd so some smoked fish and some whiteFish in there as well.