Skillet Squash Au Gratin

Transform your dinner table with the irresistible comfort of Skillet Squash Au Gratin, a creamy, cheesy masterpiece perfect for weeknight dinners or special occasions! This easy, one-pan dish features tender yellow squash and zucchini sautéed with sweet onions, garlic, and fragrant thyme, then smothered in rich heavy cream and a luscious combination of Gruyère and Parmesan cheeses. Topped with golden, crunchy breadcrumbs, and baked to perfection, this gratin delivers flavor and texture in every bite. Ready in just 40 minutes, this skillet recipe brings the perfect balance of savory indulgence and wholesome veggies to your table. Serve it as a hearty side dish or a satisfying vegetarian entrée, and watch it disappear in no time!

Nutriscore Rating: 59/100

Prep Time:15 mins

Cook Time:25 mins

Total Time:40 mins

Servings: 6

Ingredients

• 4 medium Yellow squash
• 2 medium Zucchini
• 2 tablespoons Unsalted butter
• 1 small Yellow onion
• 2 cloves Garlic
• 1 cup Heavy cream
• 1 cup Shredded Gruyère cheese
• 0.5 cup Shredded Parmesan cheese
• 0.5 cup Breadcrumbs
• 1 tablespoon Olive oil
• 1 teaspoon Salt
• 0.5 teaspoon Ground black pepper
• 1 teaspoon Fresh thyme leaves

Directions

Step 1

Preheat your oven to 400°F (200°C).

Step 2

Wash the yellow squash and zucchini, then slice them into thin rounds, approximately 1/4-inch thick.

Step 3

Peel and finely dice the yellow onion. Mince the garlic cloves.

Step 4

Heat a large oven-safe skillet over medium heat and melt the unsalted butter.

Step 5

Add the diced onion to the skillet and sauté for 2-3 minutes until softened and translucent.

Step 6

Stir in the minced garlic and cook for another 30 seconds until fragrant.

Step 7

Add the sliced squash and zucchini to the skillet. Season with salt, pepper, and fresh thyme. Sauté for 5-7 minutes, stirring occasionally, until the vegetables begin to soften.

Step 8

Pour the heavy cream over the vegetables and stir to coat evenly. Let the mixture simmer gently for 2-3 minutes.

Step 9

Remove the skillet from the heat and sprinkle the shredded Gruyère cheese evenly over the squash mixture.

Step 10

In a small bowl, combine the breadcrumbs, shredded Parmesan cheese, and olive oil. Mix until the breadcrumbs are lightly coated.

Step 11

Evenly sprinkle the breadcrumb mixture on top of the cheese layer in the skillet.

Step 12

Transfer the skillet to the preheated oven and bake for 12-15 minutes, or until the top is golden brown and bubbling.

Step 13

Carefully remove the skillet from the oven and let it cool for 5 minutes before serving.

Step 14

Serve warm and enjoy your creamy, cheesy Skillet Squash Au Gratin!

Nutrition Facts

Serving size	(1762.3g)

Amount per serving	% Daily Value*
Calories	2265.9

Total Fat 172.2g	0%
Saturated Fat 97.8g	0%
Polyunsaturated Fat 2.3g
Cholesterol 462mg	0%
Sodium 8517.6mg	0%
Total Carbohydrate 110.7g	0%
Dietary Fiber 14.7g	0%
Total Sugars 57.1g
Protein 69.0g	0%

Vitamin D 24IU	0%
Calcium 1731.9mg	0%
Iron 8.3mg	0%
Potassium 2855.6mg	0%

*The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

Source of Calories

Fat: 68.3%

Protein: 12.2%

Carbs: 19.5%