Ingredients:
- 2 sweet potatoes (about 1 pound), peeled and cut into thin wedges
- 1 red onion, thinly sliced
- 3 tablespoons olive oil
- Kosher salt and black pepper
- 4 6-ounce boneless, skinless chicken breasts
- 1 bunch spinach, thick stems removed (about 4 cups)
- 2 tablespoons fresh lime juice