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    Home » Method » Casseroles

    Published Dec 23, 2020 (Updated Feb 9, 2023) by Heather Bilyeu

    Kitchen Sink Breakfast Casserole

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    Kitchen sink breakfast casserole is the perfect way to use up what is left in your fridge for an easy & delicious breakfast!

    First, if you don't follow me on Insta then you need to head over and do that ASAP! Kitchen sink breakfast casserole was born over on Insta story and I have the original creation that my husband and I made together save on my highlights.

    This breakfast casserole recipe is just a little bit of this and a little bit of that. An egg bake of sorts. Use what you have. Nothing fancy or fussy but is destined to be yummy every single time.

    slice of Kitchen Sink Breakfast Casserole on a white plate with baking dosh in background

    What Do You Need For Kitchen Sink Breakfast Casserole Recipe?

    This casserole starts with a base of:

    • 3-4 Cups Bread*
    • 12 Eggs
    • 1 ½ Cups Milk
    • 1 Cup Shredded Cheese*
    • ½ Teaspoon Salt and Pepper
    ingredients needed for Kitchen Sink Breakfast Casserole

    What Makes This Breakfast Casserole So Easy?

    I have written this in a way of what I call a "no-recipe recipe'. Measurements and ingredient amounts are loose, to say the least, lol.

    For your bread - use whatever you have. I love using croissants the best and we have had those on hand recently. But you could use whole wheat sandwich bread, white bread, sourdough bread, any type of sandwich bread, gluten-free bread, or even stale leftover hotdog or hamburger buns.

    Literally any kind of carbs bread you have.

    For your cheese - same as above. Use what you have in the fridge. Mozzarella, cheddar, pepper jack, parmesan, gruyere, swiss, goat cheese, Colby, American, etc etc etc.

    • whisked eggs in a  bowl
    • whisked eggs and veggies in a bowl
    • croissants torn up laying in a baking dish for Kitchen Sink Breakfast Casserole
    • Kitchen Sink Breakfast Casserole before going into the oven

    Now for the Add-In's

    • ½ Cup Meat
    • ½-1 Cup Veggies

    Again, like above. Use anything. Bacon. Ham. Steak. Prosucitto.

    Spinach, peppers, onions, tomatoes, mushrooms, fresh herbs.

    You get the idea.

    If you have some veggies that you have roasted that week, throw them in.

    Have ½ a bag of spinach that needs to be used up quickly, add it in!

    Literally anything and everything. There are no rules!

    What Combinations Can I Make with Kitchen Sink Breakfast Casserole Recipe?

    • You can just go plain cheese
    • Cheese and Bacon - or any type of breakfast meat for your meat lovers out there
    • Cheese and Veggies - for all the vegetarians
    • Loaded supreme using all the different kinds of cheese's, meats, and veggies

    Kitchen sink breakfast casserole makes for great leftovers too. Enjoy this egg bake for up to 4 days after making (if you have any left). You can also easily half this recipe to make a smaller portion for 2-4 people.

    Easy is the name of the game for this casserole. No rules. No-fuss. Just clean out your fridge and make something delicious everyone will enjoy!

    slices out of Kitchen Sink Breakfast Casserole

    Want More Breakfast Ideas? Here Are More Delicious Ideas!

    • Blueberry Protein Bars {made with Kodiak Cakes}
    • Roasted Red Pepper and Egg White Sous Vide Bites
    • Lightened Up Egg Salad
    • Protein French Toast
    • Caramelized Onion & Spinach Quiche
    • Easy Homemade Monkey Bread
    • Brown Sugar Instant Oatmeal
    • Monkey Bread
    Print

    Recipe

    clock clock iconcutlery cutlery iconflag flag iconfolder folder iconinstagram instagram iconpinterest pinterest iconfacebook facebook iconprint print iconsquares squares iconheart heart iconheart solid heart solid icon
    baked Kitchen Sink Breakfast Casserole in a clear baking dish

    Kitchen Sink Breakfast Casserole


    ★ 5 Stars ☆ ★ 4 Stars ☆ ★ 3 Stars ☆ ★ 2 Stars ☆ ★ 1 Star ☆

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    • Author: Heather
    • Total Time: 60 Minutes
    • Yield: 8 1x
    Print Recipe
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    Description

    Kitchen sink breakfast casserole is the perfect way to use up what is left in your fridge for an easy breakfast!


    Ingredients

    Scale
    • 3-4 Cups Bread*
    • 12 Eggs
    • 1 ½ Cups Milk
    • 1 Cup Shredded Cheese*
    • ½ Teaspoon Salt and Pepper

    Add-Ins

    • ½ Cup Meat*
    • ½-1 Cup Veggies*

    Instructions

    1. Preheat the oven to 350 degrees.
    2. Grease a 9x13 baking sheet with non-stick spray.
    3. Roughly tear your bread and place in the bottom of the pan.
    4. In a large bowl, add in the eggs, milk, salt, and pepper. Whisk until combined.
    5. Add in shredded cheese, and any meat and/or veggies you are using (if you are).
    6. Pour the egg mixture over the bread. Pat down the bread and make sure the egg mixture is evenly distributed over the whole pan.
    7. Place in the oven and bake for 45-50 minutes and until set in the middle. If the middle still jiggles, cook for another 5-10 minutes until set completely.
    8. Remove from the oven and cool for 5-10 minutes. Slice and enjoy!

    Notes

    • Any type of bread can be used - sandwich, croissant, sourdough, whole wheat/white/gluten-free, etc
    • Any type of breakfast meat can be used - bacon, ham, prosciutto, steak, etc
    • Any type of veggies can be used - spinach, fresh herbs, peppers, onions, mushrooms, etc.
    • Prep Time: 10 Minutes
    • Cook Time: 50 Minutes
    • Category: Breakfast
    • Method: Baking
    • Cuisine: American

    Nutrition

    • Serving Size: 1 square
    • Calories: 293
    • Sugar: 3.8 g
    • Sodium: 478.7 mg
    • Fat: 13.9 g
    • Carbohydrates: 21.8 g
    • Fiber: 1 g
    • Protein: 19.3 g
    • Cholesterol: 298 mg

    Keywords: Kitchen Sink Breakfast Casserole

    Did you make this recipe?

    Tag @fuelingasouthernsoul on Instagram and hashtag it #fuelingasouthernsoul

    Please rate and review below!

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    Filed Under: Casseroles, Christmas, Recipe Video, Savory Breakfast, Southern Tagged With: Bacon, Eggs

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    Hi, I'm Heather! Grab a glass of wine, a blanket, and a cozy seat on your back porch. I am so glad you are here! Born and raised in Kentucky and with proper southern roots, my love for entertaining and hospitality runs deep within my soul. There is nothing that I love more than having people around my table and loving them through food and drink!

    More about me →

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