Mashed Potato Casserole
Purists beware! This mashed potato casserole is delicious and can be made ahead. When you want mashed potatoes on the menu but have enough to do on the day, try this!
230 grams unsalted butter, softened, and more for the pan
3 kg potatoes, peeled and cut into chunks
2 tablespoons plus 1 teaspoon salt
1½ cups sour cream
1 teaspoon black pepper
1/3 cup finely chopped chives
⅔ cup bread crumbs
⅔ cup grated Parmigiano-Reggiano cheese
Lightly grease a 33 … Read more »