Best 7 Portabella Mushroom Casserole Recipes

MUSHROOM CASSEROLE

Steps:

• Preheat oven to 375 degrees F.
• In a casserole, place 1 layer of mushrooms and leeks. Sprinkle with salt, pepper, and parsley. Cover with 2 ounces of butter and cream. Repeat process three more times and cover with bread crumbs. Bake until mushrooms are tender and crust is golden brown, about 20 minutes

PORTOBELLO PENNE PASTA CASSEROLE

Steps:

• Preheat oven to 350 degrees F (175 degrees C). Lightly grease a 9x13 inch baking dish.
• Bring a large pot of lightly salted water to a boil. Place pasta in the pot, cook for 8 to 10 minutes, until al dente, and drain.
• Heat the oil in a saucepan over medium heat. Stir in the mushrooms, cook 1 minute, and set aside. Melt margarine in the saucepan. Mix in flour, garlic, and basil. Gradually mix in milk until thickened. Stir in 1 cup cheese until melted. Remove saucepan from heat, and mix in cooked pasta, mushrooms, spinach, and soy sauce. Transfer to the prepared baking dish, and top with remaining cheese.
• Bake 20 minutes in the preheated oven, until bubbly and lightly brown.

PORTOBELLO MUSHROOM CAPS AND VEGGIES

Steps:

• Heat olive oil in a medium skillet over medium heat. Stir in the garlic, onion, and green bell pepper. Season with salt. Cook about 5 minutes, until vegetables are tender.
• Reduce skillet heat to low. Place mushroom caps in the skillet, cover, and cook about 5 minutes per side, until tender.

SCALLOPED PORTOBELLO & CAULIFLOWER

Steps:

• Preheat oven to 350°. Place 1 in. of water and cauliflower in a 6-qt. stockpot; bring to a boil over high heat. Cook, covered, until tender, 7-10 minutes. Drain., In a large saucepan, combine mushrooms and water; bring to a boil over medium-high heat. Reduce heat; simmer, covered, 10 minutes. Drain mushrooms, reserving 1/3 cup cooking liquid., In same saucepan, heat 3 tablespoons butter over medium heat until hot. Add shallots and drained mushrooms; cook and stir until shallots are tender and lightly browned. Stir in flour, salt and paprika until blended; gradually stir in cream and reserved mushroom liquid. Bring to a boil, stirring constantly; cook and stir until thickened, 2-3 minutes. , Place cauliflower in a greased 1-1/2-qt. or 11x7-in. baking dish; cover with mushroom sauce. Sprinkle with cheese, then bread crumbs. Dot with remaining butter. Bake, uncovered, until bubbly and golden brown, 35-40 minutes.

PORTOBELLO SPAGHETTI CASSEROLE

Steps:

• Cook spaghetti according to package directions. Meanwhile, in a large skillet, saute the mushrooms, salt and pepper in oil until mushrooms are tender; drain., In a large bowl, combine the egg, sour cream, Parmesan cheese, parsley, flour, garlic powder and pepper flakes. Drain spaghetti; add to sour cream mixture. , Transfer to a 1-1/2-qt. baking dish coated with cooking spray. Top with mushrooms and marinara sauce., Cover and bake at 350° for 30 minutes. Uncover; sprinkle with mozzarella cheese. Bake 10-15 minutes longer or until a thermometer reads 160° and cheese is melted. Let stand 10 minutes before serving.

PORTABELLA MUSHROOM CASSEROLE

Steps:

• Mix all of the ingredients together except for 1/4 c cheese and half of the Ritz.
• Put in a greased 8x8 pyrex and cook at 400degrees for about 30 minutes.
• Put the rest of the cheese and the crackers on top and cook until crackers are golden (about 5 minutes).

SHEET-PAN MUSHROOM PARMIGIANA

Steps:

• Heat oven to 425 degrees. Arrange the cherry tomatoes on a sheet pan, along with half the garlic, and drizzle with 1 to 2 tablespoons of olive oil. Season with 1/2 teaspoon of salt and 1/2 teaspoon of black pepper, and toss to coat the tomatoes.
• To the sheet pan, add the mushroom caps in between the tomatoes, gill side up, and drizzle each generously with olive oil. (Don't skimp here, as the olive oil will add lots of rich flavor.) Scatter the mushrooms with the remaining garlic, and season each mushroom with salt and black pepper. Fill each mushroom with marinara sauce, and top with cheese. Place in the oven and roast for 15 to 20 minutes, until the cheese is melted, bubbly and golden.
• Meanwhile, heat a medium skillet over medium-high. Add 1 tablespoon of olive oil and add the bread crumbs, basil and 1/2 teaspoon of salt. Stir constantly for 2 to 3 minutes, until golden. Remove from heat immediately and transfer to a bowl or jar.
• To serve, transfer mushrooms to serving plates, along with a few of the roasted cherry tomatoes. Top each mushroom with the basil bread crumbs and scatter with a few basil leaves.