Kale Pesto Roasted Fingerling Potatoes Use our Kale Pesto Recipe to make this side dish! Ingredients: 2 lbs fingerling potatoes 2 cups Kale Pesto sea salt & pepper to tast Directions: Preheat your oven to 400F. In a large bowl, toss the potatoes with the pesto, reserving 1/4 cup of the pesto on the side. Roast the potatoes on a baking sheet for 20-25 minutes (or until the are tender all the way through). Remove from the oven and toss with the remaining pesto. Season with a pinch of salt and pepper. Serve warm.