Sweet Potato Black Bean Salad

2 med. sweet potatoes, peeled and cut into 3/4 in. cubes
1/4 t. red pepper flakes
2T. fresh lime juice, plus wedges for serving
1 can black beans, rinsed and drained
1/2 med. red onion
1/2 c. fresh cilantro, chopped

preheat oven to 450. Place sweet potatoes on rimmed baking sheet - drizzle with 2 T. oil. sprinkle with red pepper flakes, salt and pepper, toss to coat. Roast on lower rack until tender, tossing once during cooking, 25-30 min.
In large bowl whisk lime juice with 2 T. olive oil, season with salt and pepper. Add sweet potatoes, onion, beans and cilantro. mix to combine.