We stir in a bit of greens to up the nutritional value in Kale Mashed Potatoes. This side dish gets a head start with frozen mashed potatoes.
Cook mashed potatoes according to package directions. Melt butter in a large skillet over medium heat. Add kale and green onions; sauté 1 minute. Stir in milk and pepper. Add kale to potatoes; stir to combine.