Instant Pot Au Gratin Potatoes

Slice potatoes into 1/4-inch thick slices using a mandolin. Rinse under cold water to remove excess starch.

Turn on a multi-functional pressure cooker (such as Instant Pot®). Add potatoes chicken broth onion parsley garlic powder paprika salt and pepper. Close and lock the lid. Select high pressure according to manufacturer's instructions; set timer for 1 minute. Allow 10 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.

Add evaporated milk Cheddar cheese and Monterey Jack cheese to the pot. Gently stir until cheese is melted. Transfer potatoes to an oven-safe baking dish.

Set an oven rack about 6 inches from the heat source and preheat the oven's broiler to low. Broil for 4 minutes or until top is brown and bubbly. Remove potatoes from the oven and let rest for 10 minutes to thicken.