Preheat oven at 400°. In a large cookie sheet add all the vegetables in a even layer. Add the olive oil and mix well until all the vegetables are covered.
Season with salt and pepper.
Place in the hot oven, Lower the heat to 375, and cook for 10 to 15 minutes until desire doneness.
Giangi's Kitchen provides nutritional information, but these figures should be considered estimates, as a registered dietician does not calculate them.