Coriander and Sweet Potato Soup with Spicy Chickpea Croutons

Name: Coriander and Sweet Potato Soup with Spicy Chickpea Croutons
Ingredients: For the chickpea croutons:; 30 ounces canned Garbanzo beans (chickpeas); 2 tablespoons olive oil; 1/2 teaspoon chili powder; 1/2 teaspoon garlic powder; 1/2 teaspoon cumin powder; 1/2 teaspoon cayenne pepper; 1/2 teaspoon black pepper; 1/4 teaspoon cinnamon; 1/2 teaspoon salt; 1 dash hot sauce (optional); For the soup:; 1 tablespoon olive oil; 1 large onion, chopped; 1 shallot, chopped; 2 garlic cloves, minced; 1 teaspoon coriander seeds, freshly ground; 1 teaspoon salt; 2 pieces medium-sized sweet potatoes, peeled and cubed; 6 cups vegetable stock; 1/4 cup fresh cilantro