Preheat oven to 425°F. Make sure your oven is fully preheated before putting anything in — this ensures even baking from the very first minute.
Toss vegetables with olive oil, garlic, and seasonings. Always taste as you go — you can add more seasoning, but you can't take it away!
Spread on baking sheet in single layer.
Roast 25-30 minutes, stirring halfway. Every oven is a little different, so start checking a few minutes early. You're looking for a golden color and a wonderful aroma filling your kitchen.
Sprinkle with parmesan in last 5 minutes.
Season with salt and pepper. Always taste as you go — you can add more seasoning, but you can't take it away!