01 -
Thaw the diced potatoes and pat them dry.
02 -
Cook the garlic and onion in melted butter, mix in the flour, then stir in the liquids to make a thick sauce.
03 -
Combine the potatoes with the cheesy sauce, sour cream, and grated cheddar. Spread it into a baking dish.
04 -
Sprinkle crispy fried onions on top.
05 -
Bake at 350°F for about 20-25 minutes.