A simple recipe for Tomato Zucchini Gratin with breadcrumbs, garlic parmesan and fresh basil. A quick and easy vegetarian side dish that cozy and warming.

A simple recipe for Tomato Zucchini Gratin with breadcrumbs, parmesan and fresh basil. A quick and easy vegetarian side dish! #gratin #tomatogratin #zucchinigratin

Tomato Zucchini Gratin is all about honoring fresh garden abundance.  

tomato zucchini gratin recipe

It is hard to beat the perfection of tomatoes, garlic and basil.  So simple to throw together and a complimentary side dish for many meals.

tomato zucchini gratin recipe

What is a gratin?

A gratin is basically a baked dish topped with seasoned breadcrumbs and cheese.  This Tomato Zucchini Gratin is an elegant and simple way to honor end-of-summer garden tomatoes and to use up more of the ever-abundant zucchini.

Garlic, shallots and herbs elevate the savory flavors while the breadcrumbs add a crunchy texture. 

Hand tearing bread makes it craggy- giving the olive oil, herbs and cheese more to hang on to, but a quick pulse in the food processor will yield sufficient results as well.

Toast the bread crumbs for 3-5 minutes.

tomato zucchini gratin recipe

And of course, you can use left-over sourdough bread for the breadcrumbs!

tomato zucchini gratin recipe

Toss the hand-torn bread crumbs with olive oil, parmesan and herbs. We highly recommend the sharp tangy Parmigiano Reggiano but of course, many other kinds of cheese will work just as beautifully.

tomato zucchini gratin recipe

Layer the zucchini and tomato slices in a baking pan and top with the seasoned bread crumbs and place in a 400 oven for about 20 minutes.

The tomatoes are quickly cooked in the oven heightening their succulent flavor, yet not breaking down their structure too much.

A simple recipe for Tomato Zucchini Gratin with breadcrumbs, parmesan and fresh basil. A quick and easy vegetarian side dish! #gratin #tomatogratin #zucchinigratin

The vegetarian gratin makes a perfect vegetable side dish for dinner, pairing nicely with most grilled or roasted fish and meat.  The tomato gratin is also a beautiful addition to brunch with poached eggs or to serve with steamed greens and wild rice for lunch or a light dinner.

Have a great weekend!

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A simple recipe for Tomato Zucchini Gratin with breadcrumbs, parmesan and fresh basil. A quick and easy vegetarian side dish! #gratin #tomatogratin #zucchinigratin

Tomato Zucchini Gratin

  • Author: Tonia Schemmel | Feasting at Home
  • Prep Time: 20
  • Cook Time: 20
  • Total Time: 40 minutes
  • Yield: 6 1x
  • Category: side dish
  • Method: baked
  • Cuisine: Mediterranean
  • Diet: Vegetarian

Description

A simple recipe for Tomato Zucchini Gratin with breadcrumbs, parmesan, garlic and fresh basil. A quick and easy vegetarian side dish!


Ingredients

Scale
  • 3 slices (3 oz) bread
  • 4 tablespoons olive oil, divided
  • 1 tablespoon fresh thyme, chopped fine
  • 1 tablespoon fresh oregano, chopped fine
  • ½  teaspoon salt
  • ¼  teaspoon pepper
  • ¼ teaspoon red pepper flakes (optional)
  • 1 ½ oz (3/4 cup) Parmigiano Reggiano, grated
  • 2 lbs tomatoes, sliced ½ inch thick (45 medium tomatoes)
  • 1 lb zucchini, sliced ¼ inch thick ( 2 medium zucchini)
  • salt and pepper to taste
  • 1 tablespoon red wine vinegar
  • 2 large cloves garlic, minced
  • 1 tablespoon shallot, diced
  • ½ cup fresh Basil leaves

Instructions

 

  1. Preheat oven to 400F
  2. Hand tear bread to form coarse crumbs (or quickly pulse in food processor).  Place on a sheet pan and bake at 400 degrees for 3-5 minutes, until dried out.
  3. Toss toasted bread, 2 tablespoons of olive oil,  thyme, oregano, salt, black pepper, red pepper flakes, and parmesan together in a bowl.  Set aside.
  4. Alternate tomato and zucchini slices in a shallow baking pan.
  5. Season with salt and pepper.
  6. Whisk together remaining olive oil, red wine vinegar, minced garlic and shallot.  Pour over tomatoes and squash.
  7. Top evenly with bread crumb mixture.
  8. Bake at 400 for 15-20 minutes or until bread crumbs are toasty.   
  9. Tear basil leaves on top and serve warm or at room temperature.

Nutrition

  • Serving Size:
  • Calories: 181
  • Sugar: 4.2 g
  • Sodium: 390.1 mg
  • Fat: 11.8 g
  • Saturated Fat: 2.5 g
  • Carbohydrates: 15.9 g
  • Fiber: 2.9 g
  • Protein: 5 g
  • Cholesterol: 6.1 mg

Keywords: tomato gratin, zucchini gratin, gratin recipe, tomato zucchini gratin, how to make a gratin

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Comments

  1. The flavors and textures of this dish are lovely. It has gotten rave reviews. I’ve made it twice so far, and have found that the zucchini cooks better if sliced thinner than 1/4 inch and when cooked for 25 minutes.

  2. This dish was amazing. Everyone raved about how good it was. Only had a single helping leftover. The next day I added some cheddar cheese and it was gone.

  3. You didn’t add squash to the ingredients list. ;-; I didn’t get the squash ;-; I don’t have squash in my meal ;-; oof. No worries next time I’ll just add a mental note also how much squash would I need

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Hi, I'm Sylvia!

Chef and author of the whole-foods recipe blog, Feasting at Home, Sylvia Fountaine is a former restaurant owner and caterer turned full-time food blogger. She currently lives in the Pacific Northwest and shares seasonal, healthy recipes along with tips and tricks from her home kitchen.

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