African-Thai Fusion Stew

1 onion, diced
1 sweet potato, large, cubed
2 stick celery, diced
0.5 green bell pepper, diced
2 tsp garlic, minced
3 cups vegetable broth
19 oz diced tomatoes
19 oz chickpeas canned, drained
1 tsp cumin
1 tsp curry powder
2 tsp fresh ginger
1 tsp ground coriander
1 tsp chili powder
½ tsp pepper
1 Tbsp lime juice
3 Tbsp peanut butter
¼ cup dried cranberries