01 -
Place butter in a microwave-safe bowl and melt completely in the microwave.
02 -
Whisk in the all-purpose flour thoroughly until a smooth paste forms.
03 -
Gradually add whole milk and shredded cheddar cheese while whisking to combine evenly.
04 -
Heat mixture in 30 to 40 second intervals, whisking after each interval until the sauce thickens and becomes smooth.
05 -
Season with salt and smoked paprika. Add orange food coloring if desired and mix well.
06 -
Serve the cheese sauce warm.