Mushroom-Cheddar Frittata

This American-style vegetarian frittata uses cheddar instead of Parmesan and is spiced up with a dash of mustard and hot-pepper sauce.

  • Prep:
  • Total Time:
  • Servings: 4
Mushroom-Cheddar Frittata

Source: Everyday Food, November Winter 2007


  • 1 package (10 ounces) white mushrooms, trimmed and quartered
  • 1/2 pound red new potatoes, cut into 1/2-inch pieces
  • 1 tablespoon olive oil
  • Coarse salt and ground pepper
  • 8 large eggs
  • 1/2 cup whole milk
  • 1 tablespoon Dijon mustard
  • 1/4 teaspoon hot-pepper sauce
  • 1 cup shredded white cheddar
  • 1 package (10 ounces) frozen chopped broccoli, thawed and patted dry


  1. Preheat oven to 400 degrees. In a 9-inch deep-dish pie plate, toss mushrooms, potatoes, and oil; season with salt and pepper. Roast for 20 minutes, tossing once.

  2. Meanwhile, in a medium bowl, whisk together eggs, milk, mustard, hot-pepper sauce, 1/2 teaspoon salt, and 1/8 teaspoon pepper. Stir in cheddar and broccoli.

  3. Pour egg mixture over mushrooms and potatoes, and stir to distribute them. Bake until puffed and set in the middle, and a paring knife inserted into the center comes out clean, 45 to 50 minutes.


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