Roasted Zucchini Casserole

Ingredients

• 3 medium zucchini , sliced
• 2 medium onions , sliced
• 3 tablespoons olive oil
• salt and ground black pepper to taste
• 1 package penne pasta , 16 ounce
• 1 jar marinara sauce , 28 ounce
• 0.5 cups grated Parmesan cheese

Instructions

1. 1

   Preheat the oven to 400 degrees F (200 degrees C).

2. 2

   Toss zucchini and onions in a large bowl with olive oil until evenly coated. Spread vegetables into a large baking dish.

3. 3

   Roast in the preheated oven until golden, about 30 minutes. Remove from the oven and season with salt and pepper. Reduce the oven temperature to 350 degrees F (175 degrees C).

4. 4

   When the vegetables are almost finished roasting, bring a large pot of lightly salted water to a boil. Add pasta and cook, stirring occasionally, until tender yet firm to the bite, about 11 minutes; drain.

5. 5

   Lightly grease a 9x13-inch baking dish.

6. 6

   Heat marinara sauce in a saucepan over medium heat until hot. Spread hot sauce into the prepared baking dish. Top with cooked pasta, followed by roasted zucchini and onions. Sprinkle with Parmesan cheese.

7. 7

   Bake in the preheated oven until sauce is bubbly, 35 to 40 minutes. Remove from the oven and let rest for a few minutes before serving.