Step 1

Preheat the oven to 400 degrees F.

Step 2

Grease a 9x13-inch casserole dish.

Step 3

Place the potatoes in an even layer in the prepared casserole dish.

Step 4

Season the potatoes with the salt and the pepper.

Step 5

Top the potatoes with the onion and the bacon, then dot with the butter.

Step 6

Cover the dish with foil.

Step 7

Bake the potatoes in the preheated oven until they are tender, about 45 minutes,

Step 8

Discard the foil and stir the potatoes.

Step 9

Turn the oven to broiler and broil the potatoes, stirring every minute, until crispy, about 5 minutes.

Step 10

Serve the potatoes garnished with the parsley.