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Italian Zucchini Casserole

This simple but delicious Italian Zucchini Casserole combines layers of thinly sliced zucchini, tomatoes, and onions, topped with seasoned breadcrumbs and baked until bubbly.

Prep Time
20 mins
Cook Time
1 hr
Total Time
1 hr 20 mins
Servings: 6
Calories: 183 kcal
Course: Side Dish
Cuisine: Italian

Ingredients

  • 2 large slicing tomatoes thinly sliced
  • 3 medium zucchini thinly sliced lengthwise
  • 2 large onions thinly sliced - yellow, white, or red are all fine
  • salt and pepper to taste
  • 2 teaspoons Sicilian oregano
  • 1/4 cup (23g) finely grated pecorino romano
  • 1/2 cup (120g) extra virgin olive oil divided
Seasoned breadcrumb mixture (mix together)
  • 1/2 cup (50g) plain breadcrumbs
  • 1 teaspoon Sicilian oregano
  • 1/4 cup (23g) finely grated pecorino romano
  • 1/2 teaspoon crushed hot red pepper flakes
  • 3 tablespoons (45g) extra virgin olive oil
  • 2 cloves garlic minced

Instructions

    Cup of Yum
  1. Preheat the oven to 375f and set the rack to the middle level. In a bowl, mix together the ingredients for the seasoned breadcrumbs and set aside.
  2. Use a mandoline or sharp knife to make thin slices of the zucchini (lengthwise), tomatoes, and onions. Drain the sliced tomatoes and pat dry both the tomatoes and zucchini with paper towels before the layering process.
  3. Oil a 9x13 baking dish. Place a few layers of zucchini then drizzle extra virgin olive oil and season with salt, pepper, oregano, and Pecorino Romano cheese. Next, add a few layers of onions and drizzle the olive oil and season in the same manner. Finally layer the tomatoes, drizzle the oil and season. Sprinkle the breadcrumbs on top and grate a bit more cheese. Drizzle more oil if required. The breadcrumbs should be well moistened.
  4. Bake for 45 minutes or until bubbly. Most of the liquid should be evaporated at this point. If the breadcrumbs aren't golden brown you can broil for the last 1-2 minutes but watch very carefully. Wait at least 10-15 minutes before serving so that the juices settle. Enjoy!

Notes

  • A large shallow baking dish with only 3 layers works better and cooks quicker than a deep dish with many layers of ingredients, but both will work.
  • Distribute a portion of the seasoning on each level.  Depending on how many levels are made, a bit more or less seasoning might be required.
  • Cooking times are a rough estimate.  Bake until most of the liquid evaporates and the zucchini is clear and tender.  If the casserole is wet after 45 minutes of baking you can carefully drain some of the liquid or pull it out with a bulb blaster or paper towels and bake for another 5-10 minutes before serving.
  • For more browning, the dish can be broiled for the last 1-2 minutes, but watch carefully.
  • Leftovers can be saved for up to 3 days and can be reheated in the oven or microwave.

Nutrition Information

Calories 183kcal (9%) Carbohydrates 10.2g (3%) Protein 5.1g (10%) Fat 14.4g (22%) Saturated Fat 3.2g (16%) Cholesterol 7mg (2%) Sodium 164mg (7%) Potassium 169mg (5%) Fiber 1.3g (5%) Sugar 2.3g (5%) Calcium 116mg (12%) Iron 1mg (6%)

Nutrition Facts

Serving: 6Serving

Amount Per Serving

Calories 183

% Daily Value*

Calories 183kcal 9%
Carbohydrates 10.2g 3%
Protein 5.1g 10%
Fat 14.4g 22%
Saturated Fat 3.2g 16%
Cholesterol 7mg 2%
Sodium 164mg 7%
Potassium 169mg 4%
Fiber 1.3g 5%
Sugar 2.3g 5%
Calcium 116mg 12%
Iron 1mg 6%

* Percent Daily Values are based on a 2,000 calorie diet.