01 -
Preheat your oven to 375°F (190°C). Grease a 9×13-inch baking dish.
02 -
In a large skillet, heat the olive oil over medium heat. Add the ground beef and cook until browned, breaking it apart with a spoon as it cooks. Drain excess fat.
03 -
Add the chopped onion and minced garlic to the skillet, cooking until softened, about 3-4 minutes. Season with paprika, salt, pepper, and dried thyme. Remove from heat and set aside.
04 -
In a separate bowl, mix the sour cream, milk, and cream of mushroom soup until smooth.
05 -
Place a layer of sliced potatoes on the bottom of the prepared baking dish. Top with half of the ground beef mixture, followed by a third of the soup mixture. Repeat the layers, finishing with the remaining soup mixture on top.
06 -
Cover the casserole with aluminum foil and bake for 45 minutes, or until the potatoes are tender.
07 -
Remove the foil and sprinkle the shredded cheddar cheese over the top. Return the casserole to the oven and bake for an additional 10 minutes, or until the cheese is melted and bubbly.
08 -
Let the casserole cool for a few minutes before serving. Garnish with fresh parsley if desired.