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 Easter Au Gratin Brunch Casserole?

You need 10 ingredients. The key ingredients include: 1 (32 ounce) package frozen southern style hash brown potatoes (I use Ore Ida Southern Style Hash Browns), 1 (16 ounce) container sour cream, 2 cups shredded cheddar cheese, 1 (10 3/4 ounce) can cream of mushroom soup, and more.

Is Easter Au Gratin Brunch Casserole suitable as breakfast?

Yes, Easter Au Gratin Brunch Casserole falls under the Breakfast category and is a great choice for this type of meal.

How do I store leftover Easter Au Gratin Brunch Casserole?

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

Easter Au Gratin Brunch Casserole Recipe

Name: Easter Au Gratin Brunch Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 (32 ounce) package frozen southern style hash brown potatoes (I use Ore Ida Southern Style Hash Browns); 1 (16 ounce) container sour cream; 2 cups shredded cheddar cheese; 1 (10 3/4 ounce) can cream of mushroom soup; 1 small onion, finely chopped; 1/4 teaspoon pepper; 2 cups cubed ham (or cooked breakfast sausage) (optional); 1 1/2 cups cooked broccoli florets (or green bell pepper) (optional); 2 cups crushed corn flakes cereal (or breadcrumbs); 1/4 cup melted butter

Start your day right with this Easter Au Gratin Brunch Casserole recipe. Made with potatoes, sour cream, cheddar cheese and cream of mushroom soup. Easy…

This Easter Au Gratin Brunch Casserole relies on simple, everyday ingredients such as shredded cheddar cheese, small onion, finely chopped, pepper and melted butter. It comes together quickly and makes 4 servings, at about 737 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

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.
Coconut cream is a reliable plant-based alternative to dairy cream.

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

My Personal Notes

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Easter Au Gratin Brunch Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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Frequently Asked Questions