Go Back

Mushroom Onion & Gruyere Frittata

Fluffy baked eggs with caramelized mushrooms, onions and gruyere cheese.
Prep Time10 minutes
Cook Time25 minutes
Total Time35 minutes
Course: Breakfast, Meal Prep
Cuisine: Italian
Servings: 6

Ingredients

  • 8 ounces of portobello mushrooms, sliced
  • 1 medium yellow onion, thinly sliced
  • 1/2 cup of Gruyere, shredded
  • 8 large eggs
  • 1/2 cup of your favorite milk or heavy cream
  • 1 teaspoon of dried italian herbs
  • salt and black pepper

Instructions

  • Preheat oven to 350°
  • Grease or line a standard muffin tin or glass oven safe meal prep containers and set aside for now
  • In a large bowl, whisk 8 large eggs with 1/2 cup of your favorite milk, 1 teaspoon dried Italian herbs, 1/2 teaspoon of salt and a pinch of black pepper and set aside for now
  • Place a large skillet over medium heat and add a light drizzle of a neutral oil 
  • Add the sliced onions and mushrooms and cook, stirring occasionally, for 5-7 minutes or until softened
  • Add the softened onions and mushrooms and 1/2 cup of shredded gouda into the egg mixture and mix to combine 
  • Divide the mixture evenly into the greased muffin tin or oven safe meal prep containers 
  • Bake in a 350° oven for 20-25 minutes (depending on your container size) or until the center looks set
  • Enjoy warm or chill in airtight containers until ready to serve