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Easy Zucchini and Squash Gratin

Layers of zucchini, squash, tomatoes, herbs and parmesan cheese made a delicious and easy side or lunch.

Prep Time
20 mins
Cook Time
20 mins
Total Time
35 mins
Servings: 6 servings
Calories: 89 kcal
Course: Side Dish
Cuisine: Mediterranean

Ingredients

  • ¾ lb. zucchini
  • ¾ lb. yellow summer squash
  • 2 tablespoons olive oil divided
  • ½ teaspoon minced garlic 
  • ½ cup finely-diced onion
  • 1 cup canned unsalted crushed plum tomatoes in juice
  • 1 tablespoon fresh basil
  • 1 tablespoon fresh parsley
  • ½ teaspoon salt
  • ¼ teaspoon pepper
  • 3 tablespoons grated Parmesan cheese

Instructions

    Cup of Yum
  1. Preheat oven to 400°F (200°C). Spray a medium-sized baking dish with cooking spray and set aside (I used a deep 5-inch by 9-inch dish, but a 7x11-inch dish or anything similar in size will work well).
  2. Slice zucchini and squash into thin rounds (I like to use a mandolin to make it fast and uniform, but it’s not necessary).
  3. In a large skillet, heat 1 tablespoon of olive oil over medium-high heat. Add garlic and cook (stirring constantly) for about 1 minute. Add zucchini and squash to the skillet. Stir and cook until vegetables are tender (about 5-6 minutes). Remove from heat.
  4. In a small saucepan, add remaining 1 tablespoon of oil and diced onion. Cook onion over medium heat until translucent (about 2 minutes), and then add the tomatoes (with their juice) and the basil. Simmer tomatoes about 5 minutes. Stir in parsley, salt, and pepper to taste.
  5. Spread half of the zucchini/squash mixture into the bottom of the prepared baking dish. Cover with half of the tomato sauce from the saucepan, and sprinkle with 1 tablespoon of grated Parmesan.
  6. Add another layer with the remaining zucchini, top with the remaining sauce, and finish with the last 2 tablespoons of Parmesan.
  7. Bake for 15 minutes, or until cheese is melted and the top becomes golden brown.
  8. Allow dish to sit for about 10 minutes before serving.

Notes

  • Recipe inspired by Essentials of Classic Italian Cooking.

Nutrition Information

Calories 89kcal (4%) Carbohydrates 8g (3%) Protein 3g (6%) Fat 5g (8%) Saturated Fat 1g (5%) Cholesterol 2mg (1%) Sodium 291mg (12%) Potassium 434mg (12%) Fiber 2g (8%) Sugar 5g (10%) Vitamin A 410IU (8%) Vitamin C 25.4mg (28%) Calcium 62mg (6%) Iron 1mg (6%)

Nutrition Facts

Serving: 6servings

Amount Per Serving

Calories 89

% Daily Value*

Calories 89kcal 4%
Carbohydrates 8g 3%
Protein 3g 6%
Fat 5g 8%
Saturated Fat 1g 5%
Cholesterol 2mg 1%
Sodium 291mg 12%
Potassium 434mg 9%
Fiber 2g 8%
Sugar 5g 10%
Vitamin A 410IU 8%
Vitamin C 25.4mg 28%
Calcium 62mg 6%
Iron 1mg 6%

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