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Sunday Morning Sausage and Mushroom Fritatta - the perfect weekend breakfast or make ahead for meal planning! #whole30

Sunday Morning Sausage and Mushroom Frittata

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  • Author: Erin Jensen
  • Prep Time: 10 minutes
  • Cook Time: 30 minutes
  • Total Time: 40 minutes
  • Yield: 8 servings 1x
  • Category: Breakfast
  • Method: Oven
  • Cuisine: American


Perfect for serving Sunday brunch to a crowd or for making ahead for meal prep!


  • 12 eggs, beaten
  • 1 Tablespoon avocado oil
  • 1/4 cup diced sweet onion
  • 1 Teaspoon chopped garlic
  • 1 lb ground sausage
  • 2 cups sliced mushroom
  • 3 large handfuls fresh spinach
  • 1 tomato, sliced


  1. Take large 12 inch cast iron skillet and place on stovetop, on high heat.
  2. When your pan is hot, add avocado oil and coat the pan.
  3. Add onion and garlic and let reduce, stirring constantly for about 2-3 minutes.
  4. Add sausage stir, letting cook fully.
  5. Reduce heat to medium.
  6. Add the spinach and stir, letting wilt.
  7. Then add mushrooms and then pour eggs on top.
  8. Use a rubber spatula to gently fold the ingredients together.
  9. If your eggs don’t quite cover all of the sausage and mushrooms, you can quickly whisk 2-3 more eggs together and pour on top.
  10. Let cook without stirring for approx 10-15 minutes, or until the eggs around the outside edge start to firm and only to top is uncooked.
  11. Place tomato slices on top and transfer to oven.
  12. Broil 4-6 inches from the top for approx 2 minutes, or until the top starts to brown.
  13. Remove from oven to let cool slightly and then serve.