This was my first attempt at a gratin and I think it turned out nicely! It's a healthy, cheesy vegetable casserole.

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Recipe Summary

prep:
30 mins
cook:
35 mins
total:
1 hr 5 mins
Servings:
6
Yield:
6 servings
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Ingredients

6
Original recipe yields 6 servings
The ingredient list now reflects the servings specified
Ingredient Checklist

Directions

Instructions Checklist
  • Preheat oven to 400 degrees F (200 degrees C).

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  • Mix Gruyere cheese and panko bread crumbs together in a bowl.

  • Heat butter in a large skillet over medium heat until melted. Add zucchini, yellow squash, shallots, and garlic; cook and stir until softened, about 10 minutes. Stir in basil, rosemary, salt, and black pepper; cook until fragrant, about 1 minute.

  • Mix flour into the skillet. Pour in cream in a steady stream and stir until thickened, 3 to 5 minutes. Mix in half the cheese mixture. Remove from heat.

  • Pour zucchini mixture into a baking dish. Top with remaining cheese mixture.

  • Bake in the preheated oven until bubbly and golden brown, about 20 minutes.

Cook's Note:

Use green or yellow squash, or both.

Nutrition Facts

359 calories; protein 15.3g 31% DV; carbohydrates 22.7g 7% DV; fat 25.5g 39% DV; cholesterol 77.5mg 26% DV; sodium 265.2mg 11% DV. Full Nutrition
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Reviews (5)

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Most helpful positive review

Rating: 4 stars
06/22/2020
This was a good recipe, very easy to follow. I used white onions since I didn’t have shallots. The only thing I would change would be to add more in the spice department. More garlic for sure. Read More
5 Ratings
  • 5 star values: 2
  • 4 star values: 3
  • 3 star values: 0
  • 2 star values: 0
  • 1 star values: 0
Rating: 5 stars
10/10/2018
This is absolutely delicious. Don't change a thing. The rosemary and basil and gruyere make this so elegant. Congrats to the chef!!! And thank you for sharing your recipe. I took this to a dinner party and everyone loved it and the hostess asked for the recipe. Read More
Rating: 5 stars
05/09/2019
excellent! Read More
Rating: 4 stars
05/04/2020
Had to make a few substitutes for items I had in my pantry. I used chopped onion instead of the shallots. Used dried herbs instead instead of the fresh. I used plain milk instead of the light cream. The casserole was delicious!! My husband thought it was okay, but I really liked it. Will definitely make again! Read More
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Rating: 4 stars
06/22/2020
This was a good recipe, very easy to follow. I used white onions since I didn’t have shallots. The only thing I would change would be to add more in the spice department. More garlic for sure. Read More
Rating: 4 stars
08/25/2020
I made this recipe with a few changes, my changes were using dry basil and rosemary and heavy cream. I did not mix the panko and cheese and add to the squash portion, I only added in half of the cheese. I reduced the panko/cheese topping as I only had enough casserole to fill a 5x7 baking dish. Overall it was okay but as others have said, it is on the bland side Read More
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