Best Instant Pot® Scalloped Potatoes

Set an oven rack about 6 inches from the heat source and preheat the oven's broiler.

Combine potatoes, vegetable broth, and salt in a multi-functional pressure cooker (such as Instant Pot®).

Close and lock the lid.

Select high pressure according to manufacturer's instructions; set timer for 1 minute.

Allow 10 to 15 minutes for pressure to build.

Release pressure carefully using the quick-release method according to manufacturer's instructions, about 5 minutes.

Unlock and remove the lid.

Transfer potatoes carefully to an 8-inch square oven-safe deep dish.

Combine 1 1/2 cups Cheddar cheese, cream, garlic powder, pepper, and nutmeg in the pressure cooker with the remaining liquid; select Saute function and cook until smooth and creamy, about 5 minutes.

Pour sauce evenly over potatoes and sprinkle with remaining 1/2 cup Cheddar cheese.

Broil in the preheated oven until golden, about 5 minutes.