01 - Preheat the oven to 425°F and line a baking sheet with parchment paper.
02 - Place potatoes in a large pot, cover with cold salted water, bring to a boil, and cook for 15 to 20 minutes until fork-tender. Drain thoroughly.
03 - Arrange potatoes on the prepared baking sheet. Gently press each potato with a masher or fork until slightly flattened but intact.
04 - In a small bowl, combine olive oil, minced garlic, sea salt, black pepper, and Italian herbs. Brush mixture generously over each potato.
05 - Sprinkle freshly grated Parmesan evenly over the smashed potatoes.
06 - Bake for 20 to 25 minutes until edges are golden and crispy.
07 - Remove from oven, garnish with chopped parsley, and serve while hot.