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Squash Casserole (Au Gratin Style)

A very easy side, this Squash Casserole (au gratin style) comes together quickly while you cook other things! Decadent, creamy and garlicky - this will be the star of any dinner!

Prep Time
5 mins
Cook Time
5 mins
Total Time
15 mins
Servings: 4 servings
Calories: 306 kcal
Course: Side Dish
Cuisine: French , American

Ingredients

For the topping
  • 1/2 cup panko breadcrumbs
  • 1 teaspoon garlic powder
  • 1 tablespoon fresh thyme (finely minced) or ¼ tsp dried thyme
  • 1/8 teaspoon salt
  • 1/8 teaspoon cracked pepper
  • ¼ cup shredded Parmesan cheese
For the vegetables
  • 2 tablespoons butter
  • 2 medium zucchini squash green or yellow, or 1 of each – about 12oz – cut into ¼ inch slices
  • 1/8 teaspoon salt
  • 1/8 teaspoon cracked pepper
  • 4 roasted garlic cloves roughly chopped
  • 8 ounces heavy whipping cream

Instructions

Prepare the topping
    Cup of Yum
  1. Combine topping ingredients and set aside.
For the vegetables
  1. Preheat the oven to 450F.
  2. Heat a large skillet over medium heat, and add the tablespoons of butter, and melt.
  3. Add the sliced squash to the pan, season with salt and pepper and sauté for 3 minutes.
  4. Add the chopped roasted garlic to the pan with the squash, stir together, and cook for 1 min.
  5. Pour the heavy cream into the pan, and stir together with the vegetables.
  6. Bring to a simmer, and cook for 2 mins, or until the cream has reduced slightly.
  7. Remove skillet from heat, and sprinkle the topping over the vegetables evenly.
  8. Place skillet in the oven, cook for 4 mins, then switch to broil – and cook until the top is golden brown.
  9. Remove skillet from oven, and let stand for 5-8 minutes, then serve.
  10. Devour.

Notes

  • Use cream (no substitutes!) for the sauce.
  • Do let it simmer gently, and don't worry about how liquid-y it still is when you put it in the oven. Magic will happen. Promise.
  • Let it stand/rest after removing from the oven - this will help it to set, and be easy to scoop.
  • Substitutions/Additions
  • Any kind of squash can be used. I use both yellow squash and zucchini because they're super pretty when combined!
  • Sub dried thyme in the gratin instead of fresh if you don't have it.
  • Sub ritz crackers or another type of cracker crumbs mixed with melted butter if you don't have panko breadcrumbs.

Nutrition Information

Calories 306kcal (15%) Carbohydrates 12g (4%) Protein 6g (12%) Fat 26g (40%) Saturated Fat 14g (70%) Cholesterol 81mg (27%) Sodium 330mg (14%) Potassium 344mg (10%) Fiber 1g (4%) Sugar 3g (6%) Vitamin A 1160IU (23%) Vitamin C 21.6mg (24%) Calcium 153mg (15%) Iron 1.1mg (6%)

Nutrition Facts

Serving: 4servings

Amount Per Serving

Calories 306

% Daily Value*

Calories 306kcal 15%
Carbohydrates 12g 4%
Protein 6g 12%
Fat 26g 40%
Saturated Fat 14g 70%
Cholesterol 81mg 27%
Sodium 330mg 14%
Potassium 344mg 7%
Fiber 1g 4%
Sugar 3g 6%
Vitamin A 1160IU 23%
Vitamin C 21.6mg 24%
Calcium 153mg 15%
Iron 1.1mg 6%

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