Prepare noodles according to package directions; drain.
Meanwhile, in saucepan over medium heat, melt butter; stir in flour, salt and pepper until smooth.
Gradually add milk; cook, stirring constantly, until slightly thickened. Add cheese and mustard; stir until smooth.
Toss hot pasta with sauce until well coated.
Ingredients
Directions
Prepare noodles according to package directions; drain.
Meanwhile, in saucepan over medium heat, melt butter; stir in flour, salt and pepper until smooth.
Gradually add milk; cook, stirring constantly, until slightly thickened. Add cheese and mustard; stir until smooth.
Toss hot pasta with sauce until well coated.