What is zucchini yellow squash au gratin?

Zucchini yellow squash au gratin is a baked dish featuring sliced zucchini and yellow squash layered with a creamy cheese sauce, often including ingredients like Parmesan and Gouda. These summer squashes are cooked until tender and topped with melted cheese, creating a rich, flavorful side dish perfect for warm-weather meals.

How do I prepare zucchini and yellow squash for au gratin?

Start by washing the zucchini and yellow squash thoroughly, then slice them evenly, about ¼ inch thick. To reduce excess moisture, sprinkle the slices with salt and let them sit for 15 minutes before patting dry. This step helps prevent the dish from becoming watery and ensures the gratin has a creamy texture.

Can I make zucchini yellow squash au gratin ahead of time?

Yes, you can prepare the dish up to a day in advance. Assemble the ingredients in your baking dish, cover it tightly with plastic wrap, and refrigerate. When ready to serve, bake it straight from the fridge, adding a few extra minutes to the baking time to ensure it’s heated through and bubbly.

Is zucchini yellow squash au gratin healthy?

Zucchini and yellow squash are low in calories and high in vitamins A, C, fiber, and potassium. While the dish includes cheese and cream for richness, you can control the fat content by using moderate amounts or substituting lighter dairy options. Overall, it can be a nutritious side when balanced with other vegetables or lean proteins.

What cheese is best for zucchini yellow squash au gratin?

A combination of Parmesan and Gouda works well in this recipe. Parmesan adds a sharp, salty flavor that complements the vegetables, while Gouda melts smoothly and creates a creamy, golden crust. You can also experiment with Gruyère or Cheddar for different taste profiles and textures.

Zucchini Yellow Squash Au Gratin With Creamy Cheese Sauce

Ingredients

– 2 tablespoons butter

– 1/2 onion, thinly sliced

– 1 small zucchini, sliced in rounds 1/8 to 1/4 inch thick

– 1 small yellow squash, sliced in rounds 1/8 to 1/4 inch thick

– 2 large cloves garlic, minced

– 1/2 cup heavy cream

– 1/4 cup grated parmesan

– 1 cup shredded smoked gouda

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Instructions

1-Preheat oven to 450 degrees Fahrenheit.

2-Melt butter in an oven-proof skillet over medium heat.

3-Add onion and cook until edges start to brown, about 5 minutes.

4-Add garlic and cook an additional 1 minute.

5-Add cream and simmer until bubbly and starting to thicken.

6-Slowly stir in parmesan.

7-Add zucchini and yellow squash and cook 4-5 more minutes.

8-Sprinkle with smoked gouda.

9-Bake in the oven for 15-20 minutes until cheese is golden brown.

Last Step:

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Notes

🥒 Use smaller zucchini for tenderness; larger zucchini may require more cream and longer cooking.
🚫 Avoid frozen squash to prevent excess moisture and sogginess in the dish.
🧀 Smoked gouda can be substituted with gruyere or cheddar; smoked paprika pairs well with gruyere.

Author: Brandi Oshea
Prep Time: 10 minutes
Cook Time: 35 minutes
Category: Side Dish
Method: Baking, Sautéing
Cuisine: American
Diet: Gluten-Free

Nutrition

Serving Size: 1 serving
Calories: 412 kcal
Sugar: 5 g
Sodium: 653 mg
Fat: 35 g
Saturated Fat: 22 g
Unsaturated Fat: 10 g
Trans Fat: 0.2 g
Carbohydrates: 8 g
Fiber: 1 g
Protein: 19 g
Cholesterol: 122 mg