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 Hash Brown & Chicken Brunch Casserole?

You need 11 ingredients. The key ingredients include: 15 large eggs, beaten, 1 package (28 ounces) frozen O'Brien potatoes, 1 rotisserie chicken, skin removed, shredded, 1-1/2 cups 2% milk, and more.

Is Hash Brown & Chicken Brunch Casserole suitable as breakfast?

Yes, Hash Brown & Chicken Brunch Casserole falls under the Breakfast category and is a great choice for this type of meal.

How do I store leftover Hash Brown & Chicken Brunch Casserole?

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

Hash Brown & Chicken Brunch Casserole Recipe

Name: Hash Brown & Chicken Brunch Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 15 large eggs, beaten; 1 package (28 ounces) frozen O'Brien potatoes; 1 rotisserie chicken, skin removed, shredded; 1-1/2 cups 2% milk; 1 can (10 ounces) diced tomatoes and green chiles, undrained; 2 cups shredded cheddar cheese, divided; 5 green onions, chopped; 3 tablespoons minced fresh cilantro; 1 teaspoon ground cumin; 1-1/2 teaspoons salt; 1/2 teaspoon pepper

Start your day right with this Hash Brown & Chicken Brunch Casserole recipe. Made with eggs, frozen O'Brien potatoes, rotisserie chicken and milk. Easy …

This Hash Brown & Chicken Brunch Casserole relies on simple, everyday ingredients such as large eggs, beaten, 2% milk, green onions, chopped and minced fresh cilantro. It comes together quickly and makes 4 servings, at about 934 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

Feel free to swap in similar ingredients you already have on hand and adjust seasoning to taste.

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

My Personal Notes

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Hash Brown & Chicken Brunch Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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