Place potatoes in a pot and cover with 1 inch of water.
Bring water to boil and then reduce to simmer. Cook potatoes until fork tender, about 35-45 minutes.
Remove potatoes from water and cool for about 5 minutes.
Preheat oven to 425 degrees F. Place rack on the upper third of the oven.
Place potatoes on a baking sheet coated with cooking spray.
Using the palm of hand or the bottom of a cup, gently crush the potatoes just until the skin begins to break apart. Do not try to flatten the potatoes.
Brush the tops of the potatoes with olive oil and sprinkle with salt and pepper.
Roast potatoes for 15 minutes.
Remove from oven and gently flip over the potatoes.
Brush olive oil on the top side of the potatoes and sprinkle with salt and pepper.
Return to oven and roast for 15 minutes more or until the outsides are brown and crispy.
Serve with garlic chive butter.
Garlic Chive Butter
Bring butter to room temperature
Stir chives and garlic into butter.
Serve softened or form into a log and cut off slices.
Notes
Make ahead strategy: Boil and smash potatoes, then refrigerator, up to 8 hours, before cooking.
Garlic chive butter can be stored in the refrigerator for up two weeks or in the freezer for about 2 months.