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Easy Breakfast Strata Recipe (Overnight)

Strata is a wonderful breakfast casserole that can be put together the night before. Eggs, bread, ham, and cheese resting overnight (just like yourself!) and ready to be baked the next morning.

overnight breakfast strata serving on a plate in front of the strata.

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What is a Strata?

The word strata is derived from Latin and it means layers. A breakfast strata is a layered casserole with a crusty top and tender, airy interior created by the use of one single ingredient… bread. The bread serves as a base to absorb the eggs and dairy. It’s a bit like a savory bread pudding.

Here’s why this breakfast strata recipe makes a great morning meal:

  • Makes a big casserole that easily serves 10 to 12 people.
  • Only a few minutes of prep time!
  • Looks extremely appetizing with its crisp golden craggy top.
  • The pillowy texture of each bite is wonderfully divine! You get crunch, creaminess, and cheesiness.
  • No pre-cooking anything.
  • Totally customizable. Use different cheeses and add any leftovers or cooked veggies of your choice.

What Makes This Breakfast Strata Recipe One You Must Try

Are you looking for a breakfast casserole you can put together in no time? Well, look no further. This casserole can be prepared the night before and left in the refrigerator to be heated in the morning when you are ready to serve.

This overnight breakfast strata recipe is perfect for serving on weekend mornings. No one wants to wake up an hour early on a weekend day to get breakfast ready while the rest of the family is still snoozing. This way, you can lie in a little longer, pop the breakfast casserole in the oven, and casually sip your coffee as it bakes.

This easy overnight breakfast casserole is also perfect for special occasions such as Christmas morning, your kid’s slumber parties, or when friends from out of town are visiting.

Your family will love the creaminess of this hearty breakfast casserole packed full of eggs and ham. It will soon become a favorite request.

Ingredients You Will Need

Here are your basic ingredients:

  • Milk or Cream
  • Large Eggs
  • Bread
  • Cheddar cheese
  • Ham
  • Dry mustard
  • Salt
  • Cherry tomatoes (for garnish)
breakfast strata ingredients on a tray.

How to Make This Breakfast Strata Recipe

Nothing could be simpler. Anyone can make this.

  1. Line a buttered casserole dish with bread.
bread slices in a baking dish.
  1. Layer the ham over the bread, cover with cheese, and cover with bread again.
sliced ham and cheese in a baking dish.
  1. Whisk together the eggs, milk, and mustard in a large bowl.
ingredients for strata liquid mixture in a bowl.
  1. Pour the mixture into the baking dish.
bread slices, cheese, and strata sauce in a baking dish.
  1. Cover with aluminum foil or plastic wrap and refrigerate overnight.
  2. Sprinkle cornflakes or crumble potato chips on top.
breakfast strata before baking.
  1. Bake for 1 hour at 350°F.

Strata is done when it doesn’t jiggle in the center when you shake it or when a toothpick comes out clean. Try to avoid overcooking the strata, or it will become dry.

breakfast strata serving on a plate.

Recipe Variations

The basics of breakfast strata are bread, eggs, milk, and cheese. However, you can make it your own with different fillings. You can put almost anything into strata, and it’s great for using up leftovers.

Here are some ideas for add-ins and flavor options:

  • Vegetables: Add asparagus, bell peppers, spinach, mushrooms, broccoli, kale, or zucchini. Try to stick to a total of 3 to 4 cups of vegetables. Cook the vegetables first with some onion and garlic for added flavor.
  • Meat: Sausage for breakfast strata with sausage. Diced bacon for breakfast strata with bacon. You can also go with ground chicken, turkey, or beef. Mix your choice of pre-cooked meat with your chosen cooked vegetables before layering it into the dish.
  • Cheese: Use whatever cheeses are your favorites – sharp cheddar, smoked gouda, pepper jack, fontina, feta, or parmesan. Try combining sharp cheddar and smoked gouda and add scallions and roasted red peppers – yummy!
  • Herbs: Add some fresh or dried herbs to the egg custard – basil, rosemary, thyme.
  • Spices: Add nutmeg or paprika for some extra flavor.
  • Vegetarian: Omit meat for a vegetarian breakfast strata recipe (with egg).
  • Vegan: Here’s a recipe for completely vegan breakfast strata.
  • Special Diets: Use gluten-free bread if you have a gluten-restricted diet. Also, this strata recipe should work fine with non-dairy milk.
  • Sweet: For sweet breakfast strata, skip the cheese and add berries or bananas for the filling and a splash of vanilla.

Breakfast Strata Frequently Asked Questions

Does a strata have to sit overnight?

You do need to allow some time for the bread to soak up the eggs. As a general rule, strata needs to rest for at least one hour before baking.

How long can a strata be allowed to rest?

Strata can rest for up to 18 hours, making it the perfect breakfast casserole to make the night before a big family event.

What is the best type of bread to use?

Any kind of bread will work with this strata recipe, and anything goes, including crusts or no crusts.

Can you use stale bread?

The bread needs to be fully saturated with liquid, and this process is faster with fresh bread. However, you can certainly repurpose stale bread.

What to Serve With Breakfast Strata

A breakfast casserole usually is made with eggs, meat, cheese, and bread. So, a side of fruit or vegetables works well. A yogurt parfait or a fruit smoothie can add some balance. Fried apples are also good. 

Here are some other ideas:

  • Serve it for breakfast with a side of bacon or sausages (if you don’t have these two items in your casserole).
  • Serve it for brunch with a green salad or fresh fruit and yogurt. If you want something more substantial, think about a chicken salad. And don’t forget the mimosas!

How to Store Strata Leftovers

Baked Strata: This overnight strata recipe makes a perfect leftover meal, and leftovers will keep in the refrigerator for up to a week. To freeze baked leftover breakfast casserole, wrap it well and place it in the freezer for up to 3 months. Simply thaw and reheat when needed.

Unbaked Strata: You can tightly cover an unbaked casserole and place it in the freezer for up to 3 months. To use, allow it to thaw in the refrigerator overnight. Remove it from the fridge for about 30 minutes before putting it in the oven. Bake at 350°F as directed or until heated through.

closeup of a serving of breakfast strata.

Favorite Breakfast and Brunch Recipes

Great Ham and Cheese Recipes

Check out more of my easy breakfast recipes and favorite family recipes on CopyKat!

This recipe is by Lynn Ordorf, Pueblo, Co. 1979.

overnight breakfast strata serving on a plate in front of the strata.

Overnight Breakfast Strata

Strata is a great breakfast casserole to make.   Eggs, bread, ham, and cheese rest overnight to be baked in the morning.

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Course: Breakfast

Cuisine: American

Keyword: Strata

Prep Time: 10 minutes

Cook Time: 1 hour

Total Time: 1 hour 10 minutes

Servings: 12

Calories: 209kcal


  • 3 cups milk
  • 6 eggs
  • 1 teaspoon salt
  • 1/2 teaspoon dry mustard
  • 12 slices bread
  • 1/2 cup shredded cheddar cheese
  • 8 ounces thinly sliced ham
  • 4 or 5 sliced cherry tomatoes for garnish


  • Butter a 9 X 13-inch pan and line it with bread. Put a layer of ham thinly sliced over the bread and cover with cheddar cheese cover with bread again. Mix together eggs, milk, and dry mustard. Pour over the egg mixture and set overnight in refrigerator. Before baking, sprinkle with cornflakes or potato chips and bake for 1 hour at 350 degrees.


Calories: 209kcal | Carbohydrates: 16g | Protein: 12g | Fat: 9g | Saturated Fat: 4g | Cholesterol: 104mg | Sodium: 650mg | Potassium: 220mg | Fiber: 1g | Sugar: 4g | Vitamin A: 265IU | Calcium: 155mg | Iron: 1.6mg

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