Zucchini Casserole

User Reviews

5

44 reviews
Excellent
  • Prep Time

    10 mins

  • Cook Time

    35 mins

  • Total Time

    45 mins

  • Servings

    8

  • Calories

    353 kcal

  • Course

    Side Dish

  • Cuisine

    American

Zucchini Casserole

This Zucchini Casserole layers tender sautéed zucchini and onion in a creamy sauce made from butter, flour, milk, heavy cream, and thyme, topped with shredded cheddar and buttery crushed crackers for a flavorful, textured bake. It’s a comforting vegetable side dish combining creamy, cheesy, and crispy elements.

Description

The casserole begins by sautéing zucchini and onion in butter until tender, then mixing in garlic and seasoning. A roux is prepared by cooking flour in butter before adding milk, cream, thyme, salt, and pepper, forming a velvety sauce. This is combined with the sautéed vegetables and shredded cheddar cheese.

The mixture is poured into a baking dish and topped with remaining cheese and crushed buttery crackers, adding a crisp topping when baked at 350°F. The contrast between the creamy interior and crunchy topping defines the dish’s texture.

As a side dish, it complements proteins with its rich cheese flavor and vegetable base. It showcases zucchini in a way that enhances natural moisture and mild sweetness.

The notes advise using freshly grated cheese for better melting and flavor compared to pre-shredded options, and suggest using buttery crackers such as Ritz, crushed by hand or mallet, for the topping.

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Ingredients

Servings
  • 6 tablespoons butter divided use
  • 2 tablespoons flour
  • 2 pounds zucchini cut into 1/2 inch thick slices
  • 1/2 cup onion diced
  • 2 teaspoons garlic minced
  • salt to taste
  • black pepper to taste
  • 1/4 teaspoon thyme dried
  • 1/2 cup heavy cream
  • 1 1/4 cups milk
  • 2 1/2 cups cheddar cheese divided use, shredded
  • 1 1/4 cups crackers crushed, buttery
  • 2 tablespoons parsley chopped
  • cooking spray

Instructions

  1. Melt 2 tablespoons of butter in a large pan over medium heat. Preheat the oven to 350 degrees F.
  2. Add the zucchini and onion to the pan and cook for 5-6 minutes or until vegetables are tender. Add the garlic and cook for 30 seconds. Season with salt and pepper to taste.
  3. Remove the squash mixture from the pan and place in a large bowl. Cover to keep warm.
  4. Wipe out the pan with a paper towel.
  5. Melt 2 more tablespoons of butter in the pan. Add the flour and whisk to combine.
  6. Cook the flour mixture for 1 minute, stirring constantly.
  7. Whisk in the milk and cook for 2-3 minutes. Add the cream, thyme and salt and pepper to taste.
  8. Cook the sauce for an additional 2 minutes or until just thickened. Remove the sauce from the heat.
  9. Coat a 2 quart baking dish with cooking spray.
  10. Pour the sauce into the bowl with the zucchini and onions. Add 1 1/2 cups of cheese and stir to combine.
  11. Pour the squash and cheese mixture into the prepared dish.
  12. Sprinkle the remaining cup of shredded cheese over the top of the casserole.
  13. Melt the remaining 2 tablespoons of butter. Pour the butter into the crushed crackers and stir to combine.
  14. Sprinkle the crackers over the layer of shredded cheese in the casserole.
  15. Bake for 15-20 minutes until cheese has melted and crackers are golden brown.
  16. Sprinkle with parsley. Let stand for 5 minutes, then serve.

Notes

  • For best melting and flavor, grate your own cheddar cheese instead of using pre-shredded cheese which may contain preservatives.
  • Use buttery crackers like Ritz for the topping; crush them by hand or with a mallet inside a sealed bag for even coating.
  • The buttery cracker topping adds a crisp texture and complements the creamy zucchini mixture inside the casserole.

Nutrition Information

Show Details
Calories 353kcal (18%) Carbohydrates 13g (4%) Protein 12g (24%) Fat 21g (32%) Saturated Fat 17g (85%) Cholesterol 83mg (28%) Sodium 381mg (16%) Potassium 406mg (9%) Fiber 1g (4%) Sugar 5g (10%) Vitamin A 1145IU (23%) Vitamin C 20.5mg (23%) Calcium 332mg (33%) Iron 1.1mg (6%)

Nutrition Facts

Serving: 8Serving

Amount Per Serving

Calories 353 kcal

% Daily Value*

Calories 353kcal 18%
Carbohydrates 13g 4%
Protein 12g 24%
Fat 21g 32%
Saturated Fat 17g 85%
Cholesterol 83mg 28%
Sodium 381mg 16%
Potassium 406mg 9%
Fiber 1g 4%
Sugar 5g 10%
Vitamin A 1145IU 23%
Vitamin C 20.5mg 23%
Calcium 332mg 33%
Iron 1.1mg 6%

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

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Overall Rating

5

44 reviews
Excellent

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