Slow-Cooker Chana Masala

Ingredients

• 2 onions, chopped (2 cups)
• 6 cloves garlic, minced
• 1 tablespoon grated fresh ginger
• 1⅓ cups chopped tomatoes
• 1 tablespoon mild curry powder
• 1 tablespoon ground coriander
• ½ teaspoon ground cumin
• ½ teaspoon ground turmeric
• ¼ teaspoon cayenne pepper
• 1 pinch of freshly ground black pepper
• 1 large russet potato, cut into ½-inch cubes (2 cups)
• 1 cup dried chickpeas, rinsed
• 1 tablespoon fresh lemon juice
• 1 teaspoon snipped fresh cilantro
• 1 pinch of sea salt