Preheat the oven to 400 degrees.Place the potatoes on a large baking sheet; drizzle with 2 teaspoons extra virgin olive oil and season with salt and pepper to taste. On another baking sheet, add the carrots, radishes, fennel and shallots; drizzle with 2 teaspoons extra virgin olive oil and season with salt and pepper to taste. Roast the vegetables for 20 minutes and the potatoes for 30 minutes.Transfer roasted vegetables and potatoes to a large mixing bowl and gently toss.In a small jar, add the remaining ¼ cup olive oil, Dijon mustard, lemon juice and honey. Whisk ingredients together with a fork. Season with salt and pepper to taste.Drizzle the Dijon Dressing to taste over the roasted vegetables and potatoes (Note: you should definitely have plenty of leftover dressing) Add the chives and basil and gently toss. Serve warm.