In America we are used to eating a dish called 'mashed potatoes' (instructions below) is pounded yams like mashed potatoes, except the potatoes are substituted with yams?

Also catfish soup sounds like 'stew', is that right?

(mashed potato's)
Bring a pot of salted water to a boil. Add potatoes and cook until tender but still firm, about 15 minutes; drain. In a small saucepan heat butter and milk over low heat until butter is melted. Using a potato masher or electric beater, slowly blend milk mixture into potatoes until smooth and creamy.

(beef stew recipe)

Start by coating the beef in a flour and pepper mixture. ...
Heat some oil in a large Dutch oven and add half of the beef. ...
Once the beef is browned on that side, flip to another side. ...
Add vegetable juice, beef broth, onions, celery, *Worcestershire sauce (like hot sauce), thyme and salt to the pot.