A hearty casserole with creamy mashed potatoes, melted cheddar, crispy bacon, and tangy sour cream, baked to a golden, bubbling finish.
2 pounds russet or Yukon Gold potatoes, peeled and cut into 1-inch cubes
1 packet Lipton Onion Soup Mix
1/2 cup unsalted butter, melted
1/2 cup water or low-sodium chicken broth
1/2 teaspoon black pepper
Optional: 1/4 cup sour cream or cream cheese
Optional: 1 teaspoon fresh parsley, chopped