SAL Southwestern roasted sweet potato salad

Southwestern Roasted Sweet Potato Salad


4   medium sweet potatoes, peeled and cut into 1-inch cubes (approximately 6 cups)

1/2   cup plus 2 tablespoons olive oil, divided

1   teaspoon salt

1   teaspoon freshly ground black pepper

1   teaspoon ground cumin

1   teaspoon dried oregano leaves, preferably Mexican

1   (15.5-ounce) can black beans, rinsed and drained

1   small red onion, halved and thinly sliced

1   pint grape tomatoes

1   cup crumbled feta cheese

1/4   cup fresh cilantro leaves, chopped

3   tablespoons fresh lime juice

3   tablespoons fresh orange juice

1 to 2   teaspoons ground chipotle pepper powder