3 medium zucchinis, sliced
2 medium onions, sliced
3 tablespoons olive oil salt and ground black pepper to taste
1 (16 ounce) package penne pasta
1 (28 ounce) jar marinara sauce
½ cup grated Parmesan cheese
Preheat oven to 400 degrees F (200 degrees C).
Toss zucchinis and onions in a large bowl with olive oil until evenly coated. Spread vegetables into a large baking dish.
Roast vegetables in the preheate…