Caribbean Potato Curry

Ingredients

• 1 teaspoon ground cumin
• 1/2 teaspoon ground turmeric
• 1/2 teaspoon curry powder
• 1/2 teaspoon ground allspice
• 1/4 cup olive oil
• 1 tablespoon grated fresh ginger root
• 1 small onion, chopped
• 4 cloves garlic, minced
• 2 potatoes, cut into small cubes
• 1/2 cup chopped red bell pepper
• 1/2 cup chopped broccoli
• 1 cup chopped bok choy
• 1 plantains, peeled and broken into chunks
• 1 cup water, or as needed
• salt to taste