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4.7 from 9 votes

Three Cheese Zucchini Gratin

Three Cheese Zucchini Gratin has layers of creamy, cheesy sauce and is topped with a crunchy buttery topping. Ooey-gooey and cheesy, this low-carb take-on comfort food will please any crowd!

Prep Time
15 mins
Cook Time
15 mins
Total Time
40 mins
Servings: 6 Servings
Calories: 423 kcal
Course: Side Dish
Cuisine: American

Ingredients

  • 2 tablespoons unsalted butter
  • 2 tablespoons all-purpose flour
  • 1 teaspoon salt
  • 1/2 teaspoon freshly ground black pepper
  • 2 cups whipping cream (or half and half)
  • 1/2 cup grated Parmesan cheese
  • 1 cup shredded Mozzarella cheese
  • 1/2 cup gruyere cheese
  • 6 small zucchini sliced about 1/4 inch thick
  • Snipped fresh chives for garnish

Instructions

    Cup of Yum
  1. Preheat oven to 400 degrees. Lightly spray a 2-quart casserole dish with cooking spray and set aside.
  2. In a small saucepan, melt 2 tablespoons unsalted butter over medium heat, and whisk in 2 tablespoons all-purpose flour, 1 teaspoon salt, and 1/2 teaspoon freshly ground black pepper. Add 2 cups whipping cream and stir for about 2 minutes until it thickens. Add half of the 1/2 cup grated Parmesan cheese.
  3. Arrange half of the sliced 6 small zucchini in the prepared casserole dish overlapping each other. Spread half of the sauce on top, followed by half of the 1 cup shredded mozzarella cheese and 1/2 cup Gruyere cheese . Repeat with another layer of zucchini and sauce.
  4. Top with the remaining mozzarella cheese and parmesan cheese.
  5. Bake for 25 minutes or until the zucchini is fork tender and the top starts to brown. Sprinkle with snipped fresh chives for garnish before serving.

Notes

  • Updated on August 7, 2023
  • Originally Posted on August 7, 2014

Nutrition Information

Calories 423kcal (21%) Carbohydrates 18g (6%) Protein 21g (42%) Fat 31g (48%) Saturated Fat 19g (95%) Cholesterol 93mg (31%) Sodium 1103mg (46%) Potassium 619mg (18%) Fiber 2g (8%) Sugar 7g (14%) Vitamin A 1369IU (27%) Vitamin C 35mg (39%) Calcium 560mg (56%) Iron 2mg (11%)

Nutrition Facts

Serving: 6Servings

Amount Per Serving

Calories 423

% Daily Value*

Calories 423kcal 21%
Carbohydrates 18g 6%
Protein 21g 42%
Fat 31g 48%
Saturated Fat 19g 95%
Cholesterol 93mg 31%
Sodium 1103mg 46%
Potassium 619mg 13%
Fiber 2g 8%
Sugar 7g 14%
Vitamin A 1369IU 27%
Vitamin C 35mg 39%
Calcium 560mg 56%
Iron 2mg 11%

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