1. Boil water in a large pot and add a pinch of salt.
2. Add elbow macaroni and cook according to package instructions until al dente.
3. Drain the pasta and set it aside.
4. In a separate saucepan, melt butter over medium heat.
5. Stir in flour to create a roux and cook for about one minute.
6. Gradually whisk in milk, stirring constantly to avoid lumps.
7. Cook the mixture until it thickens.
8. Add shredded cheddar cheese and stir until melted and smooth.
9. Season the cheese sauce with salt and pepper to taste.
10. Add the cooked macaroni to the cheese sauce and mix well.
11. Transfer the mac and cheese to a baking dish if desired.
12. Sprinkle breadcrumbs on top for a crispy texture.
13. Bake in a preheated oven at 350°F (175°C) for about 20 minutes or until golden brown.
14. Remove from the oven and let it cool slightly before serving.
15. Enjoy your homemade good ole fashion mac and cheese!