01 -
Melt the butter in a medium saucepan over medium heat.
02 -
Add the flour to the melted butter and whisk continuously for about 1 minute until a pale roux forms.
03 -
Gradually pour in the milk while whisking constantly to avoid lumps. Continue whisking until the mixture begins to thicken.
04 -
Lower the heat to medium-low. Stir in shredded cheddar cheese, paprika, garlic powder, onion powder, cayenne pepper if using, and salt. Mix until the cheese is completely melted and the sauce is smooth.
05 -
Remove the pan from heat. Serve the cheese sauce immediately with nachos or desired Tex-Mex dishes.