Line baking sheet{s} with parchment paper. Lay bacon strips on one end and spread vegetables in an even layer on the other end, or use multiple pans. Drizzle olive oil over vegetables and season with salt and pepper

Preheat oven to 400 degrees. Check bacon after 15 minutes. Continue to watch closely until completely done and crisp. Remove pan from oven when bacon is done. Wrap bacon in a paper towel to drain. Sprinkle cheeses over vegetables if desired and return to oven for 10-15 more minutes or until vegetables begin to char. {If using broccoli, it might finish before squash, just remove it and keep it warm}

Cut bacon into small pieces and serve with vegetables in a bowl. Garnish with more Parmesan.