Sheet Pan Mushroom Parmigiana
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Monday, January 12, 2026
By NCG's Co+op Kitchen - grocery.coop

Portobello mushrooms become very “meaty” when roasted, taking on a steak-like quality in vegetarian dishes like this one. Each mushroom serves as a cupped base for a cheesy filling, with roasted tomatoes to spoon over each one.

Total Time: 35 minutes; 15 active minutes | Servings: 6

Ingredients

  • 1 pint grape tomatoes, halved
  • 4 cloves garlic, thinly sliced
  • 1/4 cup extra virgin olive oil, divided
  • 1/2 teaspoon salt
  • 1/2 teaspoon black pepper
  • 6 medium portobello mushrooms, wiped clean, stems removed
  • 2 cups prepared spaghetti sauce
  • 2 cups shredded mozzarella cheese
  • 1 cup shredded Parmesan cheese
  • 1/2 cup fresh basil or parsley, minced

Preparation

  • Preheat oven to 425 F. Pile the tomatoes on a sheet pan, add half the garlic, and drizzle with 2 tablespoons of olive oil. Sprinkle with salt and pepper, then toss to mix well. Spread the tomatoes evenly on the pan.
  • Nestle the mushroom caps, gill side up, in the pan between the tomatoes. Drizzle the remaining 2 tablespoons of oil over the mushrooms. Sprinkle the remaining garlic on the mushrooms, then fill each cap with spaghetti sauce, then top with mozzarella and Parmesan cheeses.
  • Bake for 20 minutes, until the sauce is bubbling around the edges and the cheeses are melty and browned on top. Serve sprinkled with basil or parsley.

Serving Suggestion

  • Serve with buttered noodles or garlic bread.

Nutritional Information

360 calories, 24 g. fat, 45 mg. cholesterol, 730 mg. sodium, 19 g. carbohydrate, 4 g. fiber, 19 g. protein