Tomato, Squash and Red Pepper Gratin

Serving Size: 6
Prep Time:
Total Time:

With a simple sauté all things vegetable (except the potatoes), you’re ready to go. Veggies, quinoa and a milk/egg mixture get swished together and dumped in a dish, then topped with toasted bread crumbs (I used a spoon).

Easy enough work for a vegetarian dinner.

It’s very tasty. I like the combination of vegetables, the garlic, cheese and especially the quinoa. In fact, I wish there had been more of the latter instead of egg involved.


  • 5 tsp olive oil, divided
  • 1.5 Ounce French bread baguette, torn
  • cooking spray
  • 3 large egg, lightly beaten
  • 3 Ounce aged Gruyère cheese, shredded (about 3/4 cup)
  • 0.5 cup 2% reduced-fat milk
  • 0.5 tsp black pepper
  • 0.75 tsp salt, divided
  • 1.5 tsp chopped fresh thyme
  • 0.5 cup thinly sliced fresh basil
  • 0.5 cup cooked quinoa
  • 1 Tbsp minced garlic
  • 1 Pound yellow squash, cut into 1/4-inch thick slices (about 3.5 cups)
  • 1.5 cup chopped red bell pepper
  • 2 cup chopped red onion
  • 1 (12 ounce) beefsteak tomato, seeded and cut into 8 slices


Preheat oven to 375°.
Heat a large nonstick skillet over medium heat. Add 4 teaspoons oil; swirl to coat. Add onion; cook 3 minutes. Add bell pepper; cook 2 minutes. Add squash and garlic; cook 4 minutes. Place vegetable mixture in a large bowl. Stir in quinoa, ¼ cup basil, thyme, ½ teaspoon salt, and black pepper.
Combine remaining ¼ teaspoon salt, milk, cheese, and eggs in a medium bowl, stirring with a whisk. Add milk mixture to vegetable mixture, stirring until just combined. Spoon mixture into an 11 x 7inch glass or ceramic baking dish coated with cooking spray.
Place bread in a food processor; pulse until coarse crumbs form. Return skillet to medium-high heat. Add remaining 1 teaspoon oil to pan; swirl to coat. Add breadcrumbs; cook 3 minutes or until toasted. Arrange tomatoes evenly over vegetable mixture. Top evenly with breadcrumbs. Bake at 375° for 40 minutes or until topping is browned. Sprinkle with remaining ¼ cup basil.

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