Pre-heat oven to 160ºc
Put salt and water into a large pot and bring to a boil
Pour the macaroni into the pot, leave to boil
Add the butter to another pot on low heat
Once butter is melted, add flour and whisk until fully mixed
Add the milk and continue whisking, making sure to mix fully
Once the sauce begins to firm up, pour in half the bag of grated pale yellow cheddar
Continue whisking until fully mixed
Pour the remainder of the pale yellow cheddar in, and whisk until fully mixed. If sauce is too thick, add extra milk and whisk.
Once the macaroni is cooked, add a touch of the water from the macaroni to the sauce and whisk
Pour out the water from the macaroni
Pour the sauce into the pot with the macaroni and mix thoroughly off the heat
Pour the sauced macaroni into a deep oven dish
Cover the macaroni evenly with the entire bag of orange-coloured grated extra mature cheddar
Put dish into centre middle of oven and leave for around 20 minutes, remove once cheese on top is a little browned
Serve with freshly ground black pepper to taste
