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 Overnight Breakfast Casserole?

You need 10 ingredients. The key ingredients include: 6 to 8 slices bread, crusts removed, 8 large eggs (may need more if eggs are small; may use equivalent egg substitute), 10 oz. pkg. Jimmy Dean reduced fat sausage, 1 c. skim milk, and more.

Is Overnight Breakfast Casserole suitable as breakfast?

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

How do I store leftover Overnight Breakfast Casserole?

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

Overnight Breakfast Casserole Recipe

Name: Overnight Breakfast Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 6 to 8 slices bread, crusts removed; 8 large eggs (may need more if eggs are small; may use equivalent egg substitute); 10 oz. pkg. Jimmy Dean reduced fat sausage; 1 c. skim milk; 1 tsp. dry mustard; salt and pepper to taste; 1 c. Cheddar cheese; 1 c. Swiss cheese; 1 c. Mozzarella cheese; 1 (13.5 oz.) can mushroom pieces

Start your day right with this Overnight Breakfast Casserole recipe. Made with bread, eggs, sausage and milk. Easy step-by-step instructions included.

This Overnight Breakfast Casserole relies on simple, everyday ingredients such as skim milk, dry mustard, salt and pepper to taste and cheddar cheese. It comes together quickly and makes 4 servings, at about 964 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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Overnight Breakfast Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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