Ingredients

  • 12 cup canned chopped tomato with juice
  • 14 cup olive oil, plus more for coating baking dish
  • 1 medium yellow onion, finely chopped (about 1/2 cup)
  • 2 garlic cloves, finely chopped
  • 3 medium zucchini, rinsed and finely diced (about 1 1/4 pounds)
  • 1 tablespoon chopped fresh basil
  • 1 tablespoon chopped fresh flat-leaf parsley
  • 1 12 teaspoons salt
  • 34 teaspoon fresh ground black pepper
  • 12 cup dry breadcrumbs
  • 12 cup freshly grated parmigiano-reggiano cheese
  • 1 egg, lightly beaten
  • 24 large white mushrooms, rinsed and patted dry (about 1 pound)

Method

  • Preheat the oven to 450F.
  • Place the tomatoes in a small saucepan and bring to a simmer over medium heat.
  • Cook for 10 minutes, remove from heat, and reserve.
  • Heat 1/4 cup of the olive oil in a large saucepan over medium flame.
  • Add the onion and garlic and saute, stirring, for 3 minutes, or until lightly browned.
  • Add the diced zucchini and continue cooking until lightly browned.
  • Stir in the reserved tomatoes, the basil, parsley, 1 teaspoon salt, and 1/2 teaspoon pepper.
  • Remove from the heat and cool.
  • In a large mixing bowl, combine the bread crumbs and cheese.
  • Add the cooled zucchini mixture and the beaten egg, stirring until all ingredients are thoroughly combined.
  • Lightly coat a baking dish with oil.
  • Place the mushrooms cap side down in one layer in the dish.
  • Season with the remaining salt and pepper, and fill with the zucchini mixture.
  • Bake in the oven for 20 to 25 minutes, or until a light crust forms.
  • Serve hot.