01 -
Let the mixture thicken while simmering.
02 -
Add milk slowly while whisking.
03 -
Warm up the butter in a pot, then stir in the flour.
04 -
Mix and cook the butter-flour mixture for about a minute.
05 -
Take the pot off the heat.
06 -
Add cheese bit by bit, mixing until melted.
07 -
Add chili powder and salt to taste.
08 -
Stir in a splash of milk if you want it thinner.