MARINATED AND STUFFED PORTOBELLO MUSHROOMS WITH PARMESAN-HERB BREADCRUMBS

Marinated and Stuffed Portobello Mushrooms with Parmesan-Herb Breadcrumbs image

Provided by Food Network Kitchen

Time 45m

Yield 4

Number Of Ingredients 14

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1/4 cup plus 2 tablespoons extra-virgin olive oil, plus more for drizzling
3 tablespoons balsamic vinegar
1 tablespoon whole-grain mustard, such as Maille
Kosher salt and freshly cracked black pepper
4 large portobello mushroom caps, stems and gills removed
1 large shallot, minced
2 large cloves garlic, minced
Pinch red pepper flakes
2 cups diced yellow squash (2 to 3 squash)
2 cups diced zucchini (1 to 2 zucchini)
2 plum tomatoes, diced
1/2 cup panko
1/2 cup freshly grated Parmesan
2 tablespoons minced parsley leaves

Steps:

Position an oven rack 4 inches from the broiler and preheat the broiler to high.
Whisk together 1/4 cup of the oil, the vinegar and mustard in a 9- by 13-inch baking dish. Season with salt and pepper. Dip each mushroom cap in the marinade, turning to coat on all sides. Let the mushrooms sit in the marinade for 15 to 20 minutes.
Heat the remaining 2 tablespoons oil in a large nonstick skillet over medium-high heat. Add the shallots and saute until just beginning to soften, about 2 minutes. Add the garlic and red pepper flakes and cook for 1 minute. Add the squash, zucchini and tomatoes, sprinkle with salt and pepper and saute until beginning to soften, 4 minutes.
Mix together the panko, Parmesan and parsley in a small bowl. Season with salt and pepper and set aside.
Heat a grill pan over medium-high heat. Grill the mushrooms, cap-side down, until slightly charred, about 3 minutes per side. Wipe out the baking dish with a paper towel and return the mushrooms to the baking dish, cap-side down. Divide the sauteed vegetables among the mushroom caps. Cover the vegetables with the panko mixture, drizzle with a bit of olive oil and place under the broiler until browned, about 2 minutes. Serve hot or at room temperature.