Preheat the oven to 400°F to 425°F
Wash and dry the vegetables
Peel or trim vegetables if needed
Cut vegetables into even-sized pieces
Place vegetables in a bowl
Add oil, salt, and any desired seasonings
Toss to coat evenly
Spread vegetables in a single layer on a baking sheet
Avoid overcrowding the pan
Roast until tender and browned
Stir or flip halfway through cooking
Remove from the oven when done
Serve immediately