To start the cooking process, in your Dutch oven or stock pot, bring your water to a boil over medium heat. Once the water is boiling, cook your noodles to al dente according to the package instructions. Cook time will vary with brand.
As noodles cook, grate cheese and measure out butter, milk, salt, ground mustard, and pepper. Set aside.
Once noodles are done, drain them.
Put butter and milk in bottom or Dutch oven or stock pot.
Next, dump noodles back in, followed by remaining ingredients.
Cook on low heat, stirring constantly until the shredded cheese mixture has melted and your cooked macaroni is covered in a yummy, creamy sauce.
Cool slightly and enjoy!