How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Breakfast Egg Casserole?

You need 13 ingredients. The key ingredients include: 1 tablespoon olive oil, 1 small red onion, chopped, 1 medium sweet red pepper, chopped, 1 medium green pepper, chopped, and more.

Is Breakfast Egg Casserole suitable as breakfast?

Yes, Breakfast Egg Casserole falls under the Breakfast category and is a great choice for this type of meal.

How do I store leftover Breakfast Egg Casserole?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Breakfast Egg Casserole Recipe

Name: Breakfast Egg Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 tablespoon olive oil; 1 small red onion, chopped; 1 medium sweet red pepper, chopped; 1 medium green pepper, chopped; 1 cup sliced fresh mushrooms; 12 large eggs, lightly beaten; 1 can (12 ounces) evaporated milk; 1/2 cup all-purpose flour; 1 teaspoon baking powder; 1-1/2 teaspoons salt-free seasoning blend; 3/4 teaspoon salt; 1/4 teaspoon pepper; 4 cups shredded cheddar or Monterey Jack cheese

Start your day right with this Breakfast Egg Casserole recipe. Made with olive oil, red onion, sweet red pepper and green pepper. Easy step-by-step inst…

This Breakfast Egg Casserole relies on simple, everyday ingredients such as olive oil, small red onion, chopped, medium green pepper, chopped and sliced fresh mushrooms. It comes together quickly and makes 4 servings, at about 1065 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's an easy way to start the day, whether you're cooking a relaxed weekend breakfast or need something satisfying before a busy morning. Pair it with fresh fruit or your favorite hot drink to round out the meal.

Updated Jun 30, 2026

Serves 4 Breakfast

1065

kcal

Calories

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

A good 1:1 gluten-free flour blend works well if you need a gluten-free version.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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Breakfast Egg Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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