INGREDIENTS
6 tbsp
butter, plus more for greasing the pan
2 lb
organic Yukon Gold potatoes, peeled and cut into 2-inch chunks
salt and fresh black pepper
1/2 cup
cold milk
1/4 tsp
garlic powder
1/4 tsp
onion powder
1 cup
(heaping) freshly grated Parmesan cheese, divided
1 cup
cold heavy cream