summer vegetable gratin

★★★★★ 1 Review
Candi_Morgan avatar
By Candi Morgan
from Canyon, TX

The most delicious side dish I make. The most time consuming too. but, so worth it.

★★★★★ 1 Review

Ingredients For summer vegetable gratin

  • 6 Tbsp
    extra-virgin olive oil
  • 1 lb
    zucchini, sliced 1/4-inch-thick slices
  • 1 lb
    summer squash (yellow), sliced crosswise into 1/4-inch-thick slices
  • 2 tsp
    salt
  • 1 1/2 lb
    ripe tomatoes, sliced 1/4 inch thick
  • 2
    medium onions, halved lengthwise and sliced thin pole to pole
  • 3/4 tsp
    freshly ground pepper
  • 2
    cloves garlic
  • 1 tsp
    thyme, dried
  • 1 c
    bread crumbs, seasoned
  • 2 tsp
    fresh basil
  • 2
    shallots minced

How To Make summer vegetable gratin

  • 1
    Adjust oven rack to upper-middle position and heat oven to 400 degrees
  • 2
    Brush 13- by 9-inch baking dish with 1 tablespoon oil; set aside.
  • 3
    Toss zucchini and summer squash slices with 1 teaspoon salt in large bowl
  • 4
    Let stand until zucchini and squash release at least 3 tablespoons of liquid, about 45 minutes.
  • 5
    Arrange slices on triple layer paper towels; cover with another triple layer paper towels.
  • 6
    Firmly press each slice to remove as much liquid as possible.
  • 7
    sprinkle evenly with 1/2 teaspoon salt
  • 8
    Place second double layer paper towels on top of tomatoes and press firmly to dry tomatoes.
  • 9
    Add onions, remaining 1/2 teaspoon salt, and 1/4 teaspoon pepper cook, stirring occasionally, until onions are softened and dark golden brown, 20 to 25 minutes.
  • 10
    Combine garlic, 3 tablespoons oil, remaining 1/2 teaspoon pepper, and thyme in small bowl.
  • 11
    arrange in greased baking dish.
  • 12
    arrange in greased baking dish.
  • 13
    Bake until vegetables are tender and tomatoes are starting to brown on edges, 40 to 45 minutes.
  • 14
    Combine bread crumbs, basil, , remaining tablespoon oil, Parmesan, and shallots in medium bowl.
  • 15
    Remove baking dish from oven and increase heat to 450 degrees. Sprinkle bread-crumb mixture evenly on top of tomatoes.
  • 16
    Bake gratin until bubbling and cheese is lightly browned, 5 to 10 minutes.

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