Step 1. Cook the pasta in plenty of salted water until al dente and drain.
Step 2. In a saucepan, melt the butter over medium heat, add the flour and cook for 1 minute, stirring constantly; gradually incorporate the milk while stirring until you get a thick and smooth sauce.
Step 3. Add the grated cheese and mix until completely melted and the sauce is creamy, season with salt and pepper.
Step 4. Fold in the cooked pasta and mix until well coated with the sauce.
Serve hot and finish by sprinkling crushed Taqueritos Queso Fusión on top to add a crunchy texture and intense flavor.