Peel and cut potatoes into 1 inch cubes.

Add to a pot covering with water at least 1 inch above potatoes.

Bring to a boil then reduce heat to simmer, cover and cook for 10 minutes or until fork tender.

Drain and return to pot.

Stir in milk, butter, & garlic powder. Mash until smooth.

Stir in cheese, chilies, & salt.