Asian salmon and sweet potato

Name: Asian salmon and sweet potato
Cuisine: American, Asian
Ingredients: 600g sweet potato; 5cm ginger; 2 cloves garlic; 1 star anise; 2 tablespoons sesame oil; 2 salmon fillets; 0.5 tablespoon soy sauce; 0.5 tablespoon sesame oil; 1/2 tablespoon honey; 6 cm ginger grated; 1 lime juice only; 1 tablespoon sesame oil; 3 spring onions; 1 red chili