Bring a large pot of lightly salted water to a boil. Add macaroni and cook for 8 to 10 minutes or until al dente; drain.
In a medium saucepan, melt butter over medium heat. Stir in flour and salt until smooth. Gradually add milk, stirring constantly; cook until thick and bubbly.
Stir in cheese until melted. Add black pepper. Place macaroni in a 9x13 inch baking dish and pour cheese sauce over top. Stir to combine.
Bake at 350 degrees F (175 degrees C) for 25 minutes, or until golden brown and bubbly.
Interesting Facts
Mac and cheese is a popular dish in the United States.
The dish is believed to have first appeared in print in the 18th century.
It is a comfort food that is enjoyed by people of all ages.