roasted sweet potato and black bean salad

Ingredients:
Olive oil cooking spray
2 large sweet potatoes (about 1 1/2 lb), peeled and cut into 1-inch pieces
1 teaspoon sea salt, divided
1/2 teaspoon white pepper, divided (if well tolerated) 
1/4 cup fresh lime juice, plus wedges for garnish
1 tablespoon pure balsamic or apple cider vinegar
1 tablespoon finely chopped garlic
1 can (15 oz) organic black beans, rinsed and drained
1 cup halved cherry tomatoes
1/2 cup thinly sliced orange or red bell pepper
1/3 cup chopped fresh mint
4 cups baby arugula




Instructions:
Heat oven to 375°. On a baking sheet coated with cooking spray, place potatoes in a layer; sprinkle with 1/2 tsp sea salt and 1/4 tsp white pepper. Bake until tender, about 30 minutes; let cool. In a bowl, whisk juice, vinegar, garlic, remaining 1/2 tsp sea salt and remaining 1/4 tsp white pepper. Add sweet potatoes, beans, tomatoes, bell pepper, and mint; toss; serve over arugula, and garnish with lime wedges.