Easy Make-Ahead Breakfast Casserole

Make-ahead breakfast casseroles are perfect for busy mornings. This healthy breakfast casserole recipe is a delicious, lighter twist on an old family favourite, because sometimes you just need some egg and cheese goodness in the morning!

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Breakfast has always been my favourite meal of the day and lately I’ve loved sharing all my favourite breakfast recipes with you, like these Pomegranate Granola Parfaits or this Mango Citrus Smoothie Bowl! This make-ahead breakfast casserole is a departure from the sweet breakfast recipes I’ve been posting lately. It’s deliciously savoury and full of eggs and cheese, and the best part? It’s easy to throw together the night before so there’s no fussing the next morning! And really, who wouldn’t want to wake up to this?

Like the look of this make-ahead breakfast casserole recipe? Try these super easy Waffle Iron Breakfast Potatoes or this delicious Apple Cinnamon French Toast Bake!

Healthy Make-Ahead Breakfast Casserole Recipe

I’ve adapted this healthy breakfast casserole recipe from a family favourite by removing most of the fat (who needs 1/2 cup of melted butter poured over their breakfast anyway, right?) and creating more flavour by adding some real bacon (or ham, if you prefer), fresh veggies and spice. And instead of a typical layered strata-style breakfast casserole, I slice the bread into large cubes and toss everything together in a large bowl before dumping it into the baking dish. It just doesn’t get any easier than that, now does it??

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Like this healthy breakfast recipe? You’ll love my Skinny Scrambled Eggs Benedict or these Roasted Red Pepper Phyllo Quiche Cups!

I hope you like this recipe! Let me know in the comments below, what’s your favourite savoury breakfast lately?  

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 Looking for even more delicious recipes? You’ll love these:

• Maple Rosemary Roasted Sweet Potatoes
• Easy Slow Cooker Garlic Mashed Potatoes
• Brussels Sprouts Salad with Creamy Bacon Dressing
• Greek Yogurt Caesar Salad
• Butternut Squash Pasta Salad

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Recipe Video

Watch the video below to see exactly how I make this perfect recipe for brunch. You can find more delicious recipe videos on my YouTube channel

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Easy Make-Ahead Breakfast Casserole

This healthy breakfast casserole is a delicious, lighter twist on an old family favourite, A make-ahead breakfast casserole with bacon, eggs, and cheese!

5 from 6 votes

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By Chrissie

Yield 6 servings

Prep 15 minutes mins

Cook 45 minutes mins

Total 1 hour hr

Recipe: Ingredients 

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• ▢ 1/2 loaf French bread, cut into 2-inch cubes (whole grain French bread also works great here!)
• ▢ 1 large red pepper, diced
• ▢ 1/2 large green pepper, diced
• ▢ 1/4 cup chopped green onion, plus more for garnish
• ▢ 4 slices cooked bacon chopped
• ▢ 1 1/4 cup skim milk
• ▢ 4 large eggs
• ▢ 1 cup reduced fat shredded cheddar cheese farmer's marble cheese also works great!
• ▢ 1/2 tsp dried mustard
• ▢ 1/2 to 1 tsp of Sriracha
• ▢ 1 1/2 tsp Worcestershire sauce
• ▢ a pinch or two of salt and pepper
• ▢ a few sprays of canola oil for the baking dish (I like to use my Misto Oil Sprayer
• ▢ for this job!)

US CustomaryMetric

Recipe: Instructions 

• If you're baking the casserole right away, preheat your oven to 350 degrees Fahrenheit. If you're making it the night before, skip this step!
• Add the bread cubes, the diced peppers, chopped green onions and chopped bacon to a large bowl.
• In a separate bowl, whisk together the milk, the eggs, the dried mustard, the Sriracha, the Worcestershire sauce, and the salt and pepper.
• Pour the milk and egg mixture over the bread and veggies and add 3/4 cup of the shredded cheese.
• Toss everything together until the bread has absorbed all the liquid and everything is evenly combined.
• Spray a square baking dish (approximately 9x9 size) with some canola oil spray. I use my Misto Oil Sprayer for this job, because it allows you to use very little oil and avoid all those unhealthy propellants found in most conventional oil sprays.
• Dump the whole mixture into the baking dish, spread it out as evenly as possible and top it with the remaining 1/4 cup of shredded cheese. If you're going to wait until morning to bake the casserole, simply cover it with plastic wrap and place it in the fridge. If you're going to enjoy it immediately, simply place it in your oven heated to 350 degrees Fahrenheit and bake for about 45 minutes until the top is slightly brown and crispy and the cheese is melted and bubbly.
• If you're making this casserole ahead of time and placing it in the oven right out of the fridge, it's a good idea to add the casserole straight from the fridge to your cold oven and let the casserole and the dish heat up as the oven preheats. This is a great trick to preventing your casserole dish from cracking and it helps keep the baking time about the same.
• When you remove the casserole from the oven, simply let it sit for about 5 minutes before serving, and garnish it with a sprinkling of freshly chopped green onions for added freshness!

Recipe: Notes

When you remove the casserole from the oven, simply let it sit for about 5 minutes before serving, and garnish it with a sprinkling of freshly chopped green onions for added freshness!

Course: Breakfast

Cuisine: American

Keywords: healthy breakfast, make-ahead breakfast casserole

Recipe: Nutrition

Nutrition Facts

Easy Make-Ahead Breakfast Casserole

Amount Per Serving (1 serving)

Calories 240 Calories from Fat 72

% Daily Value*

Fat 8g12%

Saturated Fat 3g19%

Cholesterol 151mg50%

Sodium 479mg21%

Potassium 319mg9%

Carbohydrates 25g8%

Fiber 2g8%

Sugar 5g6%

Protein 17g34%

Vitamin A 1295IU26%

Vitamin C 47mg57%

Calcium 181mg18%

Iron 2mg11%

* Percent Daily Values are based on a 2000 calorie diet.

Notice: Nutrition is auto-calculated, using Spoonacular, for your convenience. Where relevant, we recommend using your own nutrition calculations.