Step 1

Preheat your oven to 375°F/190°C

Step 2

Place your potatoes in a saucepan of cold water u and simmer until they are fork tender, approximately 12 - 14 minutes

Step 3

Then, in a separate pan, melt the butter, then add cream of mushroom soup, sour cream, salt, pepper, onion, and half of the cheese

Step 4

Toss the potatoes or frozen hash browns in the mixture until fully combined and place in a prepared baking dish

Step 5

Top with the remaining grated cheese and bake until bubbly and browned approximately 30 minutes

Step 6

Remove from the oven, serve immediately and enjoy!