Peel off one strip around center of each potato. Preheat oven to 375 degrees.
Combine mustard, 1/ 4 cup olive oil, tarragon and 2 tablespoons parsley in a large bowl. Add potatoes to mustard and herb mixture. Shake and coat well. Top with Kosher salt and cracked black pepper.
Heat 1/3 cup of olive oil in a shallow baking pan in preheated oven for approximately 5 minutes. Once hot, add potatoes to pan and bake for approximately 40 minutes.
Garnish with parsley. Makes twelve (4-oz.) servings. Enjoy!