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Home » Breakfast » Easy Protein French Toast Casserole: Make Ahead Option

March 14, 2022 Breakfast

Easy Protein French Toast Casserole: Make Ahead Option

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This protein French toast casserole is the quickest, easiest, and most delicious high protein breakfast. The entire casserole has 60 grams of protein, can be prepared in just 5 minutes, and only needs 5 main ingredients. It's an easy recipe you can even make the night before, and wake up to a creamy, sweet, protein packed French toast casserole, a great alternative to traditional French toast.

protein French toast casserole in a white baking dish on a pink napkin.

Protein French toast casserole will quickly become one of your favorite breakfasts for a busy weekday morning. You can meal prep it on Sunday, and enjoy a week of quick, take and heat breakfasts. It's so easy to make, only needs 5 simple ingredients, and can be prepared in less than an hour. Additionally, it also just so delicious that you can serve it on a special occasion, and feel good about knowing you're giving your family a healthy, but still yummy and indulgent breakfast. Plus, if you want to really boost the health and protein in this easy breakfast, you can do what I do and serve a side of Greek yogurt, sausage, bacon, or a protein mango smoothie- all of which are great options!

WHY YOU'LL LOVE THIS EASY RECIPE

  • It's super simple to prepare
  • Only needs 5 main ingredients
  • Can be baked in under an hour, or prepared the night before
  • Has 60 grams of protein!
  • Refined sugar free
  • Great healthy breakfast option for special occasions

INGREDIENTS FOR A HEALTHY PROTEIN FRENCH TOAST BAKE

protein french toast casserole ingredients on a white backdrop labeled with black text.
  • Loaf of Italian bread: I use store-bought from the bakery, but you could also use a hearty bread like sourdough
  • Eggs: This recipe calls for whole eggs to get the most protein as well as healthy fats from the yolk
  • Milk: I like whole milk in this casserole, but soy milk is a great dairy free option that provides the same amount of protein
  • Peanut butter powder: I find that Crazy Richard's is the best because there's no added sugar, but Peanut Butter Co is also a great option
  • Monk fruit: My favorite is Whole Earth, but Lakanto is also a great choice. If you don't have monk fruit, regular sugar will work, but this recipe won't be sugar free
  • Extras: Personally, I like to add blueberries for a burst of freshness, as well as mixing vanilla and salt into the egg mixture to boost the flavor.

HOW TO MAKE A PROTEIN FRENCH TOAST CASSEROLE

healthy french toast bake ingredients on a white backdrop
Prepare your ingredients
egg custard in a measuring cup.
Whisk together egg mixture
custard being poured over cubed bread.
Let bread soak up custard for 20 minutes
monk fruit and peanut butter powder in a wood bowl.
Combine monk fruit and peanut butter powder
protein french toast casserole in a white baking dish with blueberries.
Layer soaked bread, blueberries, and peanut butter mixture then bake at 400 F for 35-40 minutes
  1. Cut up your bread into 1 inch cubes and place in a large bowl
  2. In a medium sized measuring cup with a spout, whisk together the milk, eggs, & vanilla and salt (if using)
  3. Pour the egg mixture over the bread cubes, stir them with a wooden spoon, and let the bread soak up the custard for 20 minutes
  4. While the bread is absorbing the custard, pre-heat the oven to 400 degrees f and grease an 8x8 inch baking dish with cooking spray. You can also mix the monk fruit and peanut butter powder together in a small bowl and set that aside.
  5. After 20 minutes, put half of the soaked bread cubes on the bottom of the dish, making sure they're evenly spread out. Sprinkle over ¼ cup of blueberries and half of the monk fruit/ peanut butter mixture. Repeat the layers with the rest of the bread cubes, ¼ cup of blueberries, and the rest of the sweet peanut butter topping
  6. Place the entire casserole into the pre-heated oven and bake for 35-40 minutes until the top pieces are a dark golden brown. (If it's getting too dark, but there's still baking time left, you can cover the top with aluminum foil and continue baking)

MORE EASY BREAKFASTS YOU MIGHT LIKE

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Sourdough French Toast
healthy 5 ingredient banana bread muffins on a cooling rack on top of a wooden cutting board on a white backdrop. A wooden bowl of coconut sugar is on the right hand side, and 2 of the muffins are turned on their sides
5 Ingredient Banana Muffins
4 pieces of toast made in the air fryer displayed on a marble and wood cutting board. The board is sitting on top of a lilac colored linen napkin
Air Fryer Toast

RECIPE VARIATIONS

  • Switch out the blueberries for raspberries or blackberries (I recommend not using strawberries because of their high water content)
  • Use sourdough in place of the Italian bread. Sourdough is also often thought of as a better option for people with IBS or gluten sensitivities. I am NOT saying it is ok for everyone though, please do your own research and use your judgement.
  • You could add a scoop of your favorite protein powder to the monk fruit topping
  • Add cinnamon to the custard for more flavor
healthy French toast bake in a white baking dish with a piece cut out.

EXPERT TIPS

  • Cut the bread into even size cubes so they bake evenly
  • This is a great meal prep recipe, much like my pancakes, this can be made the night before for easy breakfasts in the morning
  • It may look done after 30 minutes, but trust me it really needs 35-40. You can cover it with foil if the top is getting too dark for you
  • Let the protein French toast casserole sit for 10-15 minutes before cutting into is for best results
  • Lakanto has a great sugar free maple syrup that's sweetened with monk fruit
  • You can use almond butter powder in place of the peanut butter powder if you have a peanut allergy
  • Soy milk has the same amount of protein as whole milk- making is a great dairy free option
  • Check out this post for side dish options

FREQUENTLY ASKED QUESTIONS

  1. Does French toast have any protein? Yes, this entire casserole has 60 grams of protein! Way more than traditional French toast
  2. How do I store leftovers? You can keep any leftovers in an airtight container in the fridge for up to 5 days.
  3. What is the best way to reheat this French toast bake? This reheats great in the toaster oven or a non-stick pan. Heat it at 350 degrees f for 8-12 minutes, or in a pan with a lid over medium heat until it is warm enough for you.
a piece of protein French toast on a gray plate with syrup.

Did you make this easy, healthy protein French toast casserole? If you did, I would greatly appreciate you leaving a comment and star rating down below. In addition, you can also follow me on Instagram @coleinthekitchen and tag me if you make this or any other of my easy recipes.

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Easy Protein French Toast Casserole

protein French toast casserole in a white baking dish on a pink napkin.
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Protein French toast casserole is a great protein packed breakfast! With 60 grams of protein in this healthy dish, it's sure to keep you satisfied all morning.

  • Author: Nicole Radcliffe
  • Prep Time: 25 Minutes
  • Cook Time: 35 Minutes
  • Total Time: 1 hour
  • Yield: 6 Servings 1x
  • Category: Breakfast
  • Method: Baking
  • Cuisine: American

Ingredients

Units Scale
  • 8 cups of cubed Italian bread (about ½ loaf)
  • 1 cup Milk
  • 3 Eggs
  • 1 Teaspoon Vanilla (optional)
  • Pinch of salt
  • ¼ cup Monk Fruit
  • ¼ cup Peanut Butter Powder
  • ½ cup Fresh Blueberries

Instructions

  1. Cut  bread into 1 inch cubes and place in a large bowl
  2. In a measuring cup with a spout, whisk together the milk, eggs, salt, and vanilla (if using)
  3. Pour the egg mixture over the bread cubes, stir with a wooden spoon, and let the bread soak up the custard for 20 minutes
  4. While the bread is absorbing the custard, pre-heat the oven to 400 degrees f and grease an 8x8 inch baking dish with cooking spray. You can also mix the monk fruit and peanut butter powder together in a small bowl and set that aside.
  5. After 20 minutes, put half of the soaked bread cubes on the bottom of the dish, making sure they're evenly spread out. Sprinkle over ¼ cup of blueberries and half of the monk fruit/ peanut butter mixture. Repeat with the rest of the bread cubes, ¼ cup of blueberries, and the last of the sweet peanut butter topping
  6. Place the whole casserole into the pre-heated oven and bake for 35-40 minutes until the top pieces are a dark golden brown. (If it's getting too dark, but there's still baking time left, you can cover the top with aluminum foil and continue baking)
  7. Let sit 10-15 minutes before slicing and serving

Notes

  • Calories calculated are an estimate
  • Cut the bread into even size cubes so they bake evenly
  • You can prepare this the night before and just bake it in the morning
  • Cover the top with foil if  it's getting too dark for you
  • You can use almond butter powder in place of the peanut butter powder if you have a peanut allergy
  • Soy milk has the same amount of protein as whole milk- making is a great dairy free option
  • Store leftovers in an airtight container in the fridge for up to 5 days
  • Reheat in the oven or a pan with a lid

Nutrition

  • Serving Size: 1 Serving
  • Calories: 175

Keywords: protein French toast, healthy French toast recipe, healthy French toast casserole

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Hey, I'm Nicole! I'm here to share simple and nutritious, whole food recipes. (with a side of indulgence of course) Most recipes can easily be made gluten free or dairy free so there's something for everyone to enjoy!

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