Summer Squash Au Gratin Recipe

Name: Summer Squash Au Gratin
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 3 -4 medium yellow squash, thinly sliced; 1 medium onion, thinly sliced; 3 garlic cloves, thinly sliced; 1 tablespoon butter; 1 tablespoon olive oil; ½ cup sour cream; 2 ounces cream cheese, softened; 1 cup grated asiago cheese; ½ teaspoon salt; ¼ teaspoon fresh ground pepper; ½ cup panko breadcrumbs

Servings: persons

1
Preheat oven to 350*F.
2
Boil sliced squash in a large pot of salted water for 5-8 minutes, until just starting to soften.
3
Pour into a colander and let drain.
4
While squash drains, add oil and melt butter in a medium saucepan set on medium-high.
5
Add onion and saute until just starting to turn golden.
6
Add garlic and saute 2 minutes more.
7
In a large bowl, gently fold together cooked squash, onion mixture, sour cream, cream cheese, Asiago, salt and pepper until well combined.
8
Pour into a buttered casserole dish.
9
Top with Panko crumbs.
10
Bake in the center of the oven for 25-30 minutes.
11
If the topping doesnt brown or get crispy enough, feel free to turn on the broiler for a minute or two (but watch the casserole closely).
12
Now!
13
I do my Happy Food Dance.

442

kcal

Calories

Fat

Carbs

Protein

Fat Carbs Protein

* Per serving · 4 servings · Values may vary.

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.
Coconut cream is a reliable plant-based alternative to dairy cream.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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How did you like this recipe?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

You need 11 ingredients. The key ingredients include: 3 -4 medium yellow squash, thinly sliced, 1 medium onion, thinly sliced, 3 garlic cloves, thinly sliced, 1 tablespoon butter, and more.

Yes, Summer Squash Au Gratin falls under the General category and is a great choice for this type of meal.

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

That's it — enjoy your meal!

Summer Squash Au Gratin

Tips for the best results

Variations & substitutions

My Personal Notes

How did you like this recipe?

Frequently Asked Questions