Caramelized Mushroom and Onion Frittata

Total Time

Prep: 15 min. Cook: 45 min.

Makes

4 servings

Updated: Nov. 13, 2022
When I was young, my grandmother used to make me buttery sauteed mushrooms. Now I enjoy them in a hearty breakfast frittata. — Melissa D'Antonio, Poughkeepsie, New York
Caramelized Mushroom and Onion Frittata Recipe photo by Taste of Home

Ingredients

  • 1 pound sliced fresh mushrooms
  • 1 medium red onion, chopped
  • 3 tablespoons butter
  • 3 tablespoons olive oil
  • 1 shallot, chopped
  • 1 garlic clove, minced
  • 1/2 cup shredded cheddar cheese
  • 1/4 cup shredded Parmesan cheese
  • 8 large eggs
  • 3 tablespoons heavy whipping cream
  • 1/4 teaspoon salt
  • 1/4 teaspoon pepper

Directions

  1. In a 10-in. ovenproof skillet, saute mushrooms and onion in butter and oil until softened. Reduce heat to medium-low; cook for 30 minutes or until deep golden brown, stirring occasionally. Add shallot and garlic; cook 1 minute longer.
  2. Reduce heat; sprinkle with cheeses. In a large bowl, whisk the eggs, cream, salt and pepper; pour over top. Cover and cook for 4-6 minutes or until eggs are nearly set.
  3. Uncover skillet. Broil 3-4 in. from the heat for 2-3 minutes or until eggs are completely set. Let stand for 5 minutes. Cut into 4 wedges.

Nutrition Facts

1 wedge: 465 calories, 38g fat (16g saturated fat), 479mg cholesterol, 529mg sodium, 11g carbohydrate (4g sugars, 2g fiber), 22g protein.