1 large onion, diced (about 2 cups)
1 medium red bell pepper, seeded and diced (about 1 cup)
2 medium carrots, diced (about 1 cup)
1/2 teaspoon cayenne pepper
1/2 teaspoon freshly ground black pepper
1 clove garlic, minced (about 1 teaspoon)
1 teaspoon peeled and grated fresh ginger
1 large sweet potato, peeled and cubed (2 cups)
6 cups low-sodium chicken broth or vegetable broth
1 (14.5-ounce) can no salt added diced tomatoes, with their juices
2/3 cup creamy natural peanut butter
2 teaspoons honey
1/2 cup chopped scallion greens (about 3 scallions)