- 1 lb (450g) ground beef (or ground turkey)
- 1 small onion, finely chopped
- 3 cloves garlic, minced
- 1 teaspoon salt
- ½ teaspoon black pepper
- 1 teaspoon smoked paprika (optional)
- ½ teaspoon dried thyme or Italian seasoning
- 3-4 medium potatoes, thinly sliced
- 1 ½ cups shredded cheddar cheese (or a mix of mozzarella and cheddar)
For the Creamy Sauce:
- 2 tablespoons butter
- 2 tablespoons all-purpose flour
- 1 ½ cups milk (whole milk or half-and-half)
- ½ cup sour cream
- ½ teaspoon salt
- ½ teaspoon mustard powder (optional, for extra flavor)
- ½ teaspoon garlic powder
- ½ cup shredded cheese (for extra creaminess)