2 lbs fresh sweet potatoes (scrubbed, peeled if desired, cut into 3/4-inch cubes or wedges)
2 tbsp extra virgin olive oil or melted unsalted butter
1 tbsp pure maple syrup (optional for deep caramelized edges)
1/2 tsp garlic powder
1/2 tsp smoked paprika
1/4 tsp ground cinnamon or fresh thyme leaves
1 tsp kosher salt and 1/2 tsp freshly cracked black pepper to taste