Roasted Sweet Potatoes & Onions

Bahan-bahan (4 porsi)

• 2 sweet potatoes, sliced into 1/8-inch thick coins
• 1 onion, quartered then cut into 1/2-inch slices
• 2 Tbsp . vegetable or canola oil
• 1/2 tsp . sea salt (or more or less to taste)lots of freshly ground black pepper
• optional: additional seasonings such as Italian (store-bought or homemade)