How to Make Roasted Zucchini Casserole - A Step-by-Step Guide

Roasted zucchini casserole is the perfect dish to feature the delightful flavors of summer. This simple yet delicious recipe showcases the natural sweetness of fresh zucchini, paired with savory herbs and melty cheese. Whether you're looking for a side dish to accompany a hearty meal or a filling vegetarian entree, this casserole is sure to satisfy your cravings.

One of the best parts about this recipe is the minimal prep time and easy assembly. With just a few staple ingredients and ...

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Ingredients

  • 3 medium zucchini, 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

Information

  • Prep Time: 20 mins
  • Cook Time: 1 hr 5 mins
  • Additional Time: 5 mins
  • Total Time: 1 hr 30 mins
  • Servings: 8
  • Yield: 1 9x13-inch casserole

  • Preheat the oven to 400 degrees F (200 degrees C).
  • Toss zucchini and onions in a large bowl with olive oil until evenly coated. Spread vegetables into a large baking dish.
  • 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).
  • When the vegetables are almost finished roasting, bring a large pot of lightly salted water to a boil. Add penne and cook, stirring occasionally, until tender yet firm to the bite, about 11 minutes; drain.
  • Lightly grease a 9x13-inch baking dish.
  • Heat marinara sauce in a saucepan over medium heat until hot. Spread hot sauce into the prepared baking dish. Top with cooked penne, followed by roasted zucchini and onions. Sprinkle with Parmesan cheese.
  • Bake in the preheated oven until sauce is bubbly, 35 to 40 minutes. Remove from the oven and let rest for 5 minutes before serving.
  • Nutrition

    375 cal.

    • Total Fat: 11g
    • Saturated Fat: 3g
    • Cholesterol: 6mg
    • Sodium: 490mg
    • Total Carbohydrate: 60g
    • Dietary Fiber: 6g
    • Total Sugars: 13g
    • Protein: 12g
    • Vitamin C: 17mg
    • Calcium: 106mg
    • Iron: 3mg
    • Potassium: 654mg