Twice Baked Potato Casserole
Ingredients:
* 6 medium to large potatoes (russet or gold)
* 4 tablespoons butter
* ¾ cup sour cream
* ½ cup whole or 2% milk
* ½ teaspoon onion powder
* ½ teaspoon garlic powder
* ½ teaspoon salt
* ¼ teaspoon fresh…