Preheat oven to 375 degrees F

Cook macaroni according to package instructions

In a saucepan, melt butter over medium heat

Stir in flour and continue cooking for 1 minute

Add milk and whisk until smooth

Raise the heat to medium-high and bring the mixture to a boil, stirring frequently, and shredded cheese, smoked paprika, black pepper, chicken broth, and Dijon mustard. Mix well and cook until all the cheese is melted about 5 minutes. Serve hot.