"Come home to creamy Crock-Pot Au Gratin with this recipe from Delish.com...."
INGREDIENTS
•
4 tbsp. butter
•
4 tbsp. flour
•
2 1/2 c. whole milk
•
1 tsp. garlic powder
•
kosher salt
•
Freshly ground black pepper
•
1 1/2 c. grated white cheddar
•
1 1/2 c. freshly grated Parmesan, divided
•
Cooking spray, for Crock-Pot
•
2 lb. Russet potatoes, peeled and sliced into 1/2" rounds
•
1 tbsp. parsley, finely chopped