Bring a large pot of water to a boil.Add potatoes and cook for 12-15 minutes or until tender when pierced with a fork.Strain and let sit for 10 mins.Preheat oven to broil.Place potatoes on a baking sheet and flatten with a fork and the palm of your hand.Drizzle potatoes with 1 tablespoon of olive oil and sprinkle with ½ tsp of sea salt.Bake for 5 minutes on the top rack.Remove from oven and carefully flip.Bake for another 3 minutes.Combine all ingredients in a blender or food processor and process until well combined. Add water if you want a thinner consistency.Drizzle pesto over potatoes and serve.Will keep for several days in the refrigerator.