Preheat the oven to 425 degrees F. Line a baking sheet with parchment paper, spray with cooking spray or brush with oil.
Chop up 1 teaspoon each of fresh oregano, thyme, and rosemary. Add herbs to a bowl with chopped garlic and 2 tablespoons of oil. Set aside.
Bring water to boil in a large pot over medium heat. Add 1 tablespoon of salt and potatoes. Return to a boil, reduce heat to simmer, and let them boil for about 10 minutes
Remove from heat and drain using a colander.
Return the potatoes to the pot, add 2 tablespoons of oil, salt and cover the pot. Shake the pot vigorously; the potatoes should look mashed.
Transfer potatoes to a baking sheet and roast for 30 minutes, turn over potatoes, roast for another 20 minutes.
Toss the roast potatoes with the herb and garlic oil mixture. Return to the oven and bake for 10 more minutes.