Slow Cooker Curry Stew with Chickpeas, Sweet Potatoes + Kale

Ingredients

• teaspoon olive oil
• large onion, diced
• teaspoons kosher salt, divided
• Tablespoons curry powder
• inch piece of fresh ginger, peeled and minced
• garlic, minced
• cayenne pepper
• vegetable broth, divided
• pounds sweet potatoes, peeled and cut into bite-sized chunks
• cans chickpeas, drained and rinsed
• red bell peppers, diced
• can diced tomatoes, drained
• teaspoon black pepper
• bag kale
• can coconut milk