Preheat the oven to 400ºF. Toss sweet potatoes with oil, salt and pepper. Roast on a baking sheet for 30 minutes, tossing halfway through.
While the sweet potatoes are roasting, add all the veggies into a large bowl. Top with sweet potatoes and almond butter dressing and toss to combine. Place in the fridge for at least 30 minutes to marinate.