Name: Individual Breakfast Casseroles Recipe
Prep time: 15 min
Cook time: 35 min
Total time: 50 min
Cuisine: American
Ingredients: Cooking spray; 3 slices whole wheat bread (cubed); 1 pint cherry tomatoes (halved); 1 1/2 cups chopped fresh spinach; 1 to 1 1/2 cups shredded mozzarella cheese; 12 large eggs; 1 cup milk (2%, skim or your favorite); 1 teaspoon ground mustard; 1 teaspoon kosher salt; 1/2 teaspoon black pepper

Jump to Recipe

If you’ve ever wished breakfast could be both stunningly simple and delightfully satisfying, these Individual Breakfast Casseroles are about to become your new morning obsession. Imagine the golden crust of whole wheat bread, fresh spinach, juicy cherry tomatoes, and a swirl of molten mozzarella, all nestled beneath a fluffy blanket of seasoned eggs. Every ramekin becomes a personalized masterpiece, perfect for feeding a crowd or savoring a leisurely solo brunch. What makes these casseroles shine is their versatility and ease, offering a cozy, homemade breakfast that’s just as impressive to serve at a party as it is as a weekend treat.

Individual Breakfast Casseroles Recipe - Recipe Image

Ingredients You’ll Need

Bold flavors and fresh textures come together with just a handful of ingredients, each playing its own delicious part in this breakfast symphony. Even better, you probably already have most of these at home. Here’s what you’ll need and a tip for using each.

Cooking spray: Ensures your casseroles pop out effortlessly, giving you perfectly formed servings every time.
3 slices whole wheat bread (cubed): Adds hearty substance and soaks up all the flavorful egg mixture for a comforting bite.
1 pint cherry tomatoes (halved): Brings bursts of juicy freshness and vibrant color to every bite.
1 1/2 cups chopped fresh spinach: A sneaky way to add nutrients and a pop of green, making your casseroles as healthy as they are tasty.
1 to 1 1/2 cups shredded mozzarella cheese: Melts into gooey, stretchy magic—feel free to play with the amount based on your cheese love level!
12 large eggs: The star of our show; they create that classic, custardy casserole base.
1 cup milk (2%, skim or your favorite): Lightens up the eggs and keeps everything tender, so you get that perfect fluffy texture.
1 teaspoon ground mustard: Adds a gentle zing that lifts the flavor of the casserole without overpowering the other ingredients.
1 teaspoon kosher salt: Just the right amount to enhance every flavor in the mix.
1/2 teaspoon black pepper: A hint of mild heat that rounds everything out, making each bite more delicious.

How to Make Individual Breakfast Casseroles

Step 1: Preheat and Prepare

Start by preheating your oven to 350 degrees F. This may seem ordinary, but getting your oven nice and hot from the get-go ensures your Individual Breakfast Casseroles bake up fluffy and golden on top. While things heat up, give six 4-inch ramekins a generous mist of cooking spray and set them onto a baking sheet—this makes it easy to get them in and out of the oven safely.

Step 2: Build Your Base Layers

Break or cube your whole wheat bread into bite-sized pieces, then scatter them evenly between the ramekins. This creates a sturdy base that will soak up all the custardy goodness. Next, layer in the halved cherry tomatoes and chopped spinach, followed by a sprinkle (or huge handful!) of mozzarella cheese. Feel free to get creative—if you have favorite add-ins like sautéed mushrooms, cooked bacon, or bell peppers, now’s your chance to customize.

Step 3: Make the Egg Mixture

In a large mixing bowl, crack in those twelve eggs and pour over your milk of choice. Add the ground mustard, kosher salt, and pepper. Grab a whisk or hand mixer and beat everything together until smooth and beautifully combined. This extra mixing incorporates air, which helps your casseroles puff up in the oven.

Step 4: Pour and Portion

Pour the egg mixture evenly into each ramekin—aim for about three-quarters of a cup per dish. If you have a ladle or a large measuring cup, it’ll make this job neat and easy, so each casserole bakes up with the same amount of creamy, eggy deliciousness.

Step 5: Bake Until Golden

Transfer the baking sheet with your filled ramekins into the oven. Bake for 30 to 35 minutes, or until the casseroles are set and the tops have a gentle golden hue. Don’t worry if they puff up a bit—they’ll settle as they cool, locking in all that cheesy savor. Let them rest for five minutes, then either serve them right in their cute ramekins or use a knife to loosen and unmold each little casserole for plating.

How to Serve Individual Breakfast Casseroles

Garnishes

Once your Individual Breakfast Casseroles come out of the oven, take things up a notch with a few simple garnishes! Try a sprinkle of extra chopped herbs like chives, parsley, or basil for a fresh pop of color. A dash of red pepper flakes or a swirl of hot sauce on top adds just the right amount of zing, while a dollop of sour cream feels ultra-indulgent.

Side Dishes

Pairing your casseroles with the right sides makes breakfast feel like a real occasion. Serve with a crisp green salad, a pile of roasted potatoes, or fresh fruit for balance. If you’re hosting brunch, add a bread basket with croissants or scones—everyone will feel pampered!

Creative Ways to Present

Individual Breakfast Casseroles are inherently adorable, so lean into their charm! Serve straight in the ramekins for a rustic, homey vibe, or invert onto plates for a more elegant touch. For parties or make-ahead breakfasts, wrap cooled casseroles in parchment paper and tie with twine for a grab-and-go breakfast that looks straight out of a bakery window.

Make Ahead and Storage

Storing Leftovers

If you have any casseroles left (though they tend to disappear fast), just let them cool completely. Cover each ramekin tightly with plastic wrap, or pop casseroles into airtight containers. They’ll keep fresh in the refrigerator for up to three days, making them a great meal prep option.

Freezing

To freeze, let the casseroles cool, then wrap each tightly in foil or plastic wrap and slip them into a freezer-safe bag. Label and date them—you’ll thank yourself later! Individual Breakfast Casseroles freeze beautifully for up to two months. When a busy morning strikes, all you have to do is thaw and reheat.

Reheating

Reheating is a breeze. For refrigerated casseroles, simply microwave for 1–2 minutes, or bake in a preheated 350 degree oven, covered, until hot. If reheating from frozen, thaw overnight in the fridge first, then warm as directed. The flavors mingle and deepen as they sit, so you might even find them tastier the next day!

FAQs

Can I use different vegetables in my Individual Breakfast Casseroles?

Absolutely! This recipe is wonderfully flexible. Feel free to swap in sautéed mushrooms, peppers, onions, or even leftover roasted veggies—just keep the total volume close to what’s suggested so the casseroles set properly.

Are these casseroles gluten-free?

As written, the recipe uses whole wheat bread, but you can easily substitute gluten-free bread if needed. Every other ingredient is naturally gluten-free, so everyone can enjoy them!

Do I need to grease the ramekins if I use nonstick ones?

Yes, it’s always a good idea to spray even nonstick ramekins. The cheese and eggs can stick, making cleanup trickier and potentially damaging your casseroles’ cute finish.

Can I make these the night before?

Definitely! Assemble the casseroles, cover them, and refrigerate overnight. In the morning, just bake as directed—maybe add a few extra minutes if they go into the oven cold.

What size ramekins should I use for Individual Breakfast Casseroles?

Four-inch ramekins (about 8 ounces each) work perfectly for this recipe. If you use smaller or larger ramekins, just keep an eye on the baking time and adjust as needed.

Final Thoughts

If you’re craving a breakfast that feels cozy, customizable, and sure to impress, you’ve got to try these Individual Breakfast Casseroles. They’re easy to whip up, endlessly adaptable, and guaranteed to make mornings more delicious. Give them a place in your brunch rotation—you’ll be so glad you did!

Individual Breakfast Casseroles Recipe

★★★★★

4.7 from 26 reviews

Author: lilan
Total Time: 50 minutes
Yield: 6 servings 1x
Diet: Vegetarian

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Description

These flavorful individual breakfast casseroles are a perfect way to start your day with a nutritious and delicious meal. Packed with cherry tomatoes, fresh spinach, and gooey mozzarella cheese, these mini casseroles are easy to make and customizable to suit your taste.

Instructions

Preheat the oven to 350.

Spray 6 ramekins (4” diameter size) with cooking spray. Place on a baking sheet and set aside.

Place torn bread pieces in the bottom of each ramekin and top with desired toppings.

Suggested toppings: cherry tomatoes, spinach, and mozzarella cheese.

Prepare the egg mixture.

In a large bowl, beat the eggs with milk, mustard, salt, and pepper until well combined.

Divide egg mixture evenly among the ramekins.

Use a measuring cup to portion out about 3/4 cup of the egg mixture into each ramekin.

Bake the casseroles.

Place the ramekins on a baking sheet in the oven and bake at 350 for 30-35 minutes until set. Let cool for 5 minutes before serving.

Notes

You can customize these breakfast casseroles with your favorite vegetables or meats.
Make sure to grease the ramekins well to prevent sticking.
Allow the casseroles to cool slightly before serving.

Prep Time: 15 minutes
Cook Time: 35 minutes
Category: Breakfast, Brunch
Method: Baking
Cuisine: American