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 Best-Ever Breakfast Casserole?

You need 14 ingredients. The key ingredients include: 1 lb bacon, cooked and crumbled, 1/4 cup green onion, chopped, 3 tablespoons butter, 1 dozen egg, beaten, and more.

Is Best-Ever Breakfast Casserole suitable as breakfast?

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

How do I store leftover Best-Ever Breakfast Casserole?

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

Best-Ever Breakfast Casserole Recipe

Name: Best-Ever Breakfast Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 lb bacon, cooked and crumbled; 1/4 cup green onion, chopped; 3 tablespoons butter; 1 dozen egg, beaten; 1 (4 ounce) can sliced mushrooms, drained; 1/4 teaspoon salt; 1/8 teaspoon black pepper, freshly ground; CHEESE SAUCE; 2 tablespoons butter; 2 1/2 tablespoons flour; 2 cups milk; 1 cup sharp cheddar cheese, grated; 1/2 teaspoon salt; 1/8 teaspoon black pepper, freshly ground

Start your day right with this Best-Ever Breakfast Casserole recipe. Made with bacon, green onion, butter and egg. Easy step-by-step instructions included.

This Best-Ever Breakfast Casserole relies on simple, everyday ingredients such as bacon, cooked and crumbled, green onion, chopped, butter and dozen egg, beaten. It comes together quickly and makes 4 servings, at about 1009 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

1009

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

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.
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.

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Best-Ever Breakfast Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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