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California Breakfast Casserole served on a white plate topped with chopped tomatoes and avocado with green grapes and orange juice on the side

California Breakfast Casserole

California Breakfast Casserole is loaded with sausage, avocados, and tomatoes. All your favorite California omelet flavors in one hearty casserole, perfect for sharing!
Course Breakfast
Cuisine American
Keyword breakfast casserole
Prep Time 15 minutes
Cook Time 45 minutes
Total Time 1 hour
Servings 12
Calories 395kcal
Author Emily Walker



  • Line the bottom of a greased 9x13 pan with sausage.  
  • Layer tomatoes and avocado slices over sausage.
  • In a bowl, beat eggs and milk. 
  • Stir in all other ingredients. 
  • Pour hash and egg mixture over the sausage, tomatoes, and avocados.
  • Bake at 350 for 45 min or until well set. 
  • Top with extra cheddar right after pulling out of the oven so it melts all over the top. 
  • Serve with salsa, diced tomatoes, and sour cream.



Calories: 395kcal | Carbohydrates: 18g | Protein: 20g | Fat: 28g | Saturated Fat: 10g | Cholesterol: 216mg | Sodium: 671mg | Potassium: 622mg | Fiber: 3g | Sugar: 2g | Vitamin A: 710IU | Vitamin C: 12.2mg | Calcium: 200mg | Iron: 2.3mg