Name: Roasted Sweet Potatoes
Prep time: 10 min
Cook time: 30 min
Yield: 4
Cuisine: Chinese
Ingredients: 680g sweet potatoes, peeled and cut into 2.5cm chunks; 1 tsp whole cumin seeds; 1 tsp whole Sichuan peppercorns; 1 tsp sea salt; 2 tbsp vegetable oil