This fragrant and flavorful cod and sweet potato curry is perfect for a cozy night in. Start by sautéing onions, garlic, and ginger in a pot until they are soft and fragrant. Add diced sweet potatoes, curry powder, and coconut milk to the pot and simmer until the sweet potatoes are tender. Add chunks of cod to the pot and cook until the fish is opaque and cooked through. Serve over a bed of rice for a filling and satisfying meal.