Jul 14

Healthy Zucchini, Tomato & Yellow Squash Gratin Recipe


Whip up this healthy vegetarian gratin, filled with fresh zucchini, tomatoes and yellow squash. It’s perfect as a side dish or light meal.
Healthy Zucchini, Tomato and Yellow Squash Gratin Recipe | cookincanuck.com #vegetarian #MeatlessMonday

Healthy Zucchini, Tomato and Yellow Squash Gratin Recipe...110 calories and 3 Weight Watchers PP | cookincanuck.com #vegetarian #MeatlessMonday

The entrepreneurial spirit was alive and well in our neighborhood this weekend. Signs were made, cups and spoons were in place and ice was at the ready as my boys and their friend (and adorable sidekick little brother) got ready to put on their salesmen hats and wave down every passing car and pedestrian.

“Snow cones, snow cones…come buy a snow cone!”

And really, who can resist four boys practically begging you to try their flavored snow cones – made with a cool at-home snow cone maker, no less?! (This is the snow cone maker the kids used, in case your kids have their own snow cone aspirations.)

Boys at Snow Cone Stand

With only one customer in the first 20 minutes, it felt as though it was going to be a VERY long two hours. But then the neighbors started coming out of the woodwork. Little kids, big kids, adults…even repeat customers. There was even a line at one point!

Snow Cone Stand Line

By the end of the two hours, the boys had sold about 45 snow cones. (I think I’m in the wrong profession!) And they had a ball every step of the way.

Healthy Zucchini, Tomato and Yellow Squash Gratin Recipe | cookincanuck.com #vegetarian #MeatlessMonday

After an afternoon of sugar and treats, I decided to put together a simple vegetable gratin, starring the enormous zucchini that we pulled out of our garden a few days ago.

I layered the zucchini slices, along with slices of yellow squash and tomato, and added just enough fresh basil and grated Parmesan cheese for a great herb-cheese flavor.

Healthy Zucchini, Tomato and Yellow Squash Gratin Recipe | cookincanuck.com #vegetarian #MeatlessMonday

Gratins can be made with or without a topping, but I can never resist a crunchy, golden brown breadcrumb topping. I almost always use panko breadcrumbs, which are now available in regular or whole wheat.

Healthy Zucchini, Tomato and Yellow Squash Gratin Recipe | cookincanuck.com #vegetarian #MeatlessMonday

Like most simple dishes, the ingredients count for everything. Try to find the sweetest tomatoes you can and don’t be tempted to use dried basil. Fresh basil has such an alluring summertime scent and flavor that just can’t be replaced with the dried version.

If you’re like me, you might be tempted to sit down and consume half of the gratin for lunch. Thank goodness it’s packed with veggies! Otherwise it’s perfect for a side dish at any meal.

Healthy Zucchini, Tomato and Yellow Squash Gratin Recipe | cookincanuck.com #vegetarian #MeatlessMonday

Find these products on Amazon: Whole Wheat Panko Bread Crumbs and Snow Cone Maker

Other zucchini recipes:

Best Zucchini Recipes | cookincanuck.com
Cookin’ Canuck’s Shrimp & Zucchini Stir-Fry Recipe with Miso Lime Sauce
Cookin’ Canuck’s Grilled Vegetable Wrap with Hummus
Slender Kitchen’s Tex Mex Stuffed Zucchini
Kalyn’s Kitchen’s Zucchini & Green Chile Breakfast Casserole
Averie Cooks’ Baked Chipotle Sweet Potato & Zucchini Fritters

Healthy Zucchini, Tomato & Yellow Squash Gratin Recipe
Prep time
Cook time
Total time
Calories 110.0/ Total Fat 4.4g / Saturated Fat 1.6g / Cholesterol 5.9mg / Sodium 337.9mg / Total Carbohydrates 13.4g / Fiber 2.1g / Sugars 2.7g / Protein 4.9g / WW (Old Points) 2 / WW (Points+) 3
Serves: Serves 4
  • ½ large zucchini, cut into ½-inch slices
  • 1 medium yellow squash, cut into ½-inch slices
  • 1 tsp olive oil
  • 2 tomatoes, cut into ½-inch slices
  • ¼ cup + 2 tbsp grated Parmesan cheese, divided
  • ½ tsp salt
  • ½ tsp ground pepper
  • 6 large basil leaves, thinly sliced
  • ¼ cup panko breadcrumbs
  1. Preheat the oven to 425 degrees F. Lightly coat a 1.8 quart baking dish with cooking spray.
  2. Place the zucchini and yellow squash slices in a bowl and toss with the olive oil.
  3. Layer the yellow squash slices on the bottom of the baking dish, overlapping slightly.
  4. Sprinkle 2 tablespoons grated Parmesan cheese, ¼ teaspoon salt, ¼ teaspoon pepper and ⅓ of the basil over the zucchini.
  5. Layer the tomatoes over top, then repeat with the same amounts of Parmesan cheese, salt, pepper and basil.
  6. Layer the zucchini over top and sprinkle the remaining basil over top.
  7. In a small bowl, combine the remaining Parmesan cheese and panko breadcrumbs. Sprinkle the mixture over the zucchini.
  8. Cover with foil and bake until the zucchini is tender when pierced with a sharp knife, about 40 minutes. Uncover and bake until the breadcrumbs are golden brown, 5 to 10 minutes.
  9. Serve hot or at room temperature.
From the kitchen of Cookin' Canuck | cookincanuck.com
Nutrition Information
Serving size: ¼ of gratin Calories: 110 cal Fat: Total Fat 4.4g / Saturated Fat 1.6g

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{ 9 comments… read them below or add one }

1 Becca @ Amuse Your Bouche July 14, 2014 at 12:49 pm

This gratin looks awesome, love those crispy breadcrumbs! And the kids did such a great job selling snow cones! We don’t have them in the UK so I have no idea what one is, but I bet it’s delicious 😛 Think I should change profession too if they did that well!


2 Katrina @ Warm Vanilla Sugar July 14, 2014 at 3:26 pm

I love a good gratin like this!! So yummy!


3 Christine at Cook the Story July 15, 2014 at 8:09 am

This is a great way to incorporate garden veggies… love it!


4 Carol at Wild Goose Tea July 15, 2014 at 12:46 pm

Ha! That is one of the best summer stories so far. Too sweet. Yay you are right. You are in the wrong profession and so am I!!!
Fresh grown summer veggies are THE best. Good recipe to highlight their own flavors without over powering them.


5 Melissa from HungryFoodLove.com July 15, 2014 at 9:38 pm

Such a fun neighborhood and amazing recipe :)


6 Shelley @ Two Healthy Kitchens July 16, 2014 at 1:28 pm

Wow … 45 snow cones!?!? I’m in the wrong profession, too! Sadly, we live on an uber-quiet street toward the back of our neighborhood, so my kids are always grousing that their chance for things like lemonade stands or … ummmmm … painted rock stands (no kidding!) are hopeless! 😀 In the “not hopeless” category, though? This amazing gratin! It’s like the very best of a summer veggie garden all deliciously cozied up together! Can’t wait to Pin this one!!! Yum!


7 Laura @ Family Spice July 16, 2014 at 1:31 pm

Who can say no to snow cones over the summer? And that gratin? I can’t say not to that – looks amazing!


8 Caroline Kaufman Nutrition July 22, 2014 at 3:50 pm

Love love love! So easy, only one dish to clean, and loaded with yummy veggies and crispy breadcrumbs. Also, only 1o minutes of prep time? Hello… :)


9 Phoebegirl August 12, 2014 at 12:11 pm

I tried this delicious recipe using garden fresh zucchinis, tomatoes, basil and thyme. Absolutely LOVED everything about it! It disappeared in 2 days. Making it again for dinner tonight and this time I adding a few layers of eggplant along with the tomatoes. Super fast… super healthy (ok, the breadcrumbs are a little bad), and SUPER tasty!!! A real keeper!!!


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