Slow Cooker Chickpea Sweet Potato Stew

Bahan-bahan (6 porsi)

• 1 medium yellow onion (chopped)
• 2 15 oz cans garbanzo beans (drained)
• 1 pound sweet potatoes (peeled and chopped)
• 1 tablespoon garlic (minced)
• 1/2 teaspoon Kosher salt
• 1/4 teaspoon coarse ground black pepper
• 1 teaspoon ground ginger
• 1 1/2 teaspoons ground cumin
• 1 teaspoon ground coriander
• 1/4 teaspoon ground cinnamon
• 4 cups vegetable broth (fat free)
• 4 cups fresh baby spinach