Spicy African Chickpea and Sweet Potato Stew

Ingredients

• 1 ½ pounds sweet potatoes, peeled and cubed
• 1 16-ounce can chickpeas
• 2 cups vegetable broth
• 1 16-ounce jar tomato sauce
• 1 1/2 cups fresh okra, sliced
• 6 cloves garlic, peeled
• 1 teaspoon coarse salt
• 2 teaspoons paprika
• 1 1/2 teaspoons whole cumin seeds
• 1 teaspoon black pepper
• 1/2 teaspoon ground ginger
• 1/2 teaspoon ground allspice
• 1 tablespoon olive oil
• Hot-pepper sauce, to taste
• Cooked couscous