Combine
the milk, crab boil seasoning,
pepper, salt, and onion in an
electric skillet, cover, and
bring to a simmer. Add the
catfish to the liquid, spooning
some of the liquid over the
fillets.
Reduce the heat to low,
around 140 to 145 degrees, cover
the skillet, and poach for 6 to
9 minutes.
