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A squash casserole recipe with yellow squash and zucchini and a breadcrumb and Parmesan cheese topping.
4.03 from 47 votes
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Healthy Summer Squash Casserole

Healthy Squash Casserole recipe that is made with yellow squash, zucchini, a crunchy breadcrumb and Parmesan topping and then baked in the oven to crispy perfection! 

Course Side Dish
Cuisine American
Prep Time 15 minutes
Cook Time 35 minutes
Total Time 50 minutes
Servings 6 servings
Calories 112 kcal
Author London

Ingredients

  • 2 lbs. summer squash zucchini and yellow squash, cut into ¼-inch slices
  • 2 ½ Tbsp. olive oil
  • 1 ¼ tsp. salt divided
  • ½ tsp. pepper

  • ⅓

     cup. Parmesan cheese* grated
  • ⅓ cup. Panko breadcrumbs gluten-free
  • ¼ tsp. garlic powder
  • 2 Tbsp fresh parsley finely chopped

Instructions

  1. Preheat oven to 350 degrees.
  2. Cut yellow squash and zucchini into thin, ¼-inch slices.

  3. Sprinkle ½ teaspoon salt over the zucchini and squash slices. Let sit for 10 minutes and then dab to remove excess moisture with a paper towel.

  4. Spray a 9-inch square baking dish with non-stick cooking spray.

  5. Alternatively, overlap the zucchini and squash in a row. (See pictures.) You should be able to form 4 rows.**

  6. Drizzle olive oil over the zucchini and squash and then sprinkle with salt and pepper.

  7. In a small bowl combine Parmesan cheese, breadcrumbs, and garlic powder. Toss to combine and then sprinkle over the zucchini and squash.

  8. Cover baking dish with aluminum foil and bake in preheated oven for 30 minutes.
  9. Remove foil and turn heat to a High broil. Broil for an additional 5-7 minutes, or until breadcrumb topping starts to turn a golden brown.
  10. Serve immediately with fresh parsley and enjoy!

Recipe Video

Recipe Notes

*Can use a vegan Parmesan cheese substitute.

**I like to get small-medium, similarly-sized summer squash so they will be able to fit into four rows easily!

Nutrition Facts
Healthy Summer Squash Casserole
Amount Per Serving
Calories 112 Calories from Fat 72
% Daily Value*
Fat 8g12%
Saturated Fat 2g13%
Cholesterol 4mg1%
Sodium 602mg26%
Potassium 410mg12%
Carbohydrates 8g3%
Fiber 2g8%
Sugar 4g4%
Protein 4g8%
Vitamin A 450IU9%
Vitamin C 27.4mg33%
Calcium 96mg10%
Iron 0.8mg4%
* Percent Daily Values are based on a 2000 calorie diet.