Step 1: Assemble ingredients
Catfish fillets (enough to feed your crowd + leftovers)
1 box of cornbread mix (I like Jiffy)
spray canola oil
pans sufficient to accommodate the fish in a single layer
toasted sesame seeds
Step 2: Batter catfish- flat side
You may choose to dip your (cleaned and dried) catfish fillets in milk before proceeding; this will make the whole thing a bit moister and help more cornbread cling to the fish. I usually skip this step because we rarely have milk in the house, and the fish drops liquid during the cooking process.
So: take your catfish fillet, milk-dipped or not, and dip it flat-side down into the cornbread mix. Make sure the flat side is fully covered, then lay it flat side down in the pan.
Step 3: Cover top
Now grab the box of cornbread mix, and shake a good amount over the fillets. Use your other hand to spread the mix evenly over the fillets, giving them a nice thick coating. Working with one clean hand (holding the box) and one fishy hand (spreading the cornbread mix) you should be able to spread and augment as necessary. Now go wash up again.
Step 4: Season
Now spray the top with canola oil, making sure the entire surface is well coated with a layer of oil.