14ouncecanned reduced sodium condensed cream of mushroom soup
1cupplain Greek yogurt
1cupshredded sharp Cheddar cheese
1/4teaspoonfreshly ground black pepper
1/8teaspoonsalt
pinchcayenne
1poundfrozen diced hashbrowns
2Tablespoonsshredded Parmesan cheese(or more Cheddar or a mix of the two)
Instructions
Heat oven to 350°F. Grease a 9x9 baking dish or similar sized casserole dish.
Melt 2 Tablespoons unsalted butter in a small skillet over medium heat. Add minced onion and cook until soft. Transfer onions to a large bowl.
Add 14 ounce canned reduced sodium condensed cream of mushroom soup, 1 cup plain Greek yogurt, 1 cup shredded sharp Cheddar cheese, 1/4 teaspoon freshly ground black pepper, 1/8 teaspoon salt, and pinch cayenne and stir together until well mixed. Stir in 1 pound frozen diced hashbrowns. Transfer hashbrown mixture to prepared baking dish and sprinkle with 2 Tablespoons shredded Parmesan cheese.
Bake at 350°F for 60-90 minutes, until bubbling and browned on the top. Cool for 10-15 minutes before serving.
Notes
To make ahead: prepare until the end of step 3. The hashbrown mixture can be refrigerated up to 24 hours in the baking dish. Cook as directed.