Preheat oven to 450 degrees.

Line a large baking sheet with parchment paper. Set aside.

Place potatoes in large pot filled with water and 1 tsp. salt.

Bring water to a boil. Lower heat and simmer for 20 minutes or until fork tender.

Drain potatoes and place on prepared sheet.

Cool for five minutes, then using the bottom of a glass, gently smash each potato.

Drizzle each potato with olive oil, then sprinkle with salt, pepper and 1 Tbsp. rosemary.

Place tray in the oven and bake for 15 minutes.

Remove from oven and flip each potato to the other side. Drizzle with remaining olive oil and sprinkle with salt, pepper and remaining rosemary.

Continue to bake for an additional 15 minutes until brown and crispy.