Stovetop Chili

Name: Stovetop Chili
Ingredients: 1 tbsp. olive oil; 1 medium onion; 2 tbsp. chili powder; 1 tsp. ground cumin; 1 tsp. ground coriander; 2 clove garlic; 1 jalapeño chile; 1 can whole tomatoes in juice; ½ lb. green beans; 3 medium sweet potatoes; 1 tsp. sugar; 1 salt; 2 can black soy beans; Sour cream (optional)