Kerala Chicken Stew

Ingredients

• 1 inch piece fresh ginger, grated
• 1 teaspoon ground black pepper
• 1/4 teaspoon turmeric
• 2 onions, finely sliced
• 3 green chilies, finely chopped
• 3 tablespoons oil
• 1 tablespoon butter
• 1/2 teaspoon mustard seeds
• 1 bay leaf, crumpled
• 2 garlic cloves, sliced
• 2 inches cinnamon sticks, broken up
• 4 cardamoms, split open
• 3 cloves
• 20 curry leaves
• 3 lbs skinless chicken, and jointed
• 400 ml coconut milk
• 1/2 cup chicken stock
• 1 lb frozen mixed vegetables
• 1 lb small potato, unpeeled
• 1/4 teaspoon garam masala