Ingredients: 4 cups dried macaroni
1 whole egg
4 tablespoons salted butter
1/4 cup all purpose flour
2 1/2 cup whole milk
2 teaspoons dry mustard
1 pound cheese, grated
1/2 teaspoon salt (more if needed)
1/2 teaspoon seasoned salt (more if needed)
1/2 teaspoon ground black pepper
Ritz crackers, Doritos, or desired topping
Cook the macaroni until very firm.
In a small bowl, beat the egg.
In a large pot or skillet, melt the butter and sprinkle in the flour. Whisk together over medium-low heat. whisk continuously while cooking for 5 minutes.
Pour in the milk and add the mustard. Whisk until smooth. Cook for 5 minutes or until mixture is significantly thick. Reduce the heat to low.
Borrow 1/4 cup of the sauce and slowly pour it into the beaten egg. Whisk constantly to avoid cooking the egg. Whisk until smooth.
Pour the egg mixture into the sauce, whisking constantly until smooth.
Add in the cheese and stir to melt.
Add salt, seasoned salt, and pepper into the sauce. Add more if needed. More is better!
Pour in drained macaroni and stir to combine.
Pour into a baking dish, top with extra cheese and either crumpled Ritz crackers or Doritos.
Cook at 350 degrees for 25 minutes.