Cover pasta in water, add 1 Tablespoon salt,, and cook according to package instructions.
While the pasta is cooking, melt 1 tablespoon of butter in a large pan. When butter is melted add 1 Tablespoon of flour and cook for 2 minutes.
Add milk and whisk until smooth.
Bring to a boil then reduce heat to low and add cream cheese and muenster cheese.
Stir until melted. Add ½ teaspoon salt, dry mustard, and pepper.
When the pasta is cooked, drain it then add it to the cheese sauce. Stir until well combined.
Sprinkle paprika and panko on the top and cook at 350°F until the panko is toasted.
Notes
In the top photo I combine 1/4 cup panko bread crumbs, a pinch or salt and a pinch of pepper with 1 T vegetable. I sprinkled this mixture on top of the pasta and baked.