Bolbonkitchen notes

High Protein Breakfast Casserole

  • Makes 4 portions
  • Prep 15 minutes
  • Cook 25 minutes
  • Total 40 minutes
High Protein Breakfast Casserole

Start your day with our incredibly satisfying high-protein breakfast casserole. If you’re looking for a savory breakfast that can be prepped in advance and will keep you full until lunch, we've got the recipe for you. This egg bake is similar to a crustless quiche or a frittata.

What stands out

This high-protein breakfast casserole is all about convenience as well as flavor, offering a satisfying, high-protein meal to energize your morning. It’s a hearty, satisfying meal that keeps you full for hours, hence making it suited to busy mornings. With lean ground turkey, cottage cheese, Parmesan cheese, and customizable herbs, it’s both nutritious and. You can prep it in advance for a quick breakfast or enjoy it fresh out of the oven. No matter how you eat it, this casserole is a practical and tasty way to start your day right.

How to Prepare

Preheat the oven to 400F (200C).Next, heat a nonstick skillet over medium-high heat and add the avocado oil while getting ready to cook your high-protein breakfast casserole.

Add the ground meat and cook, stirring and breaking up the meat with a spoon, until the water has evaporated and the meat begins to brown, about 10 minutes.Use a sharp knife to finely dice an onion and add them to the pan.

Then season with salt and cook it until the meat and onions have some color. Remove the skillet from the heat and let the meat mixture cool.

Top-down view of raw ingredients: a bowl of eggs, an onion, ground meat on a plate, small bowls of olive oil, flour, breadcrumbs, grated cheese, chopped green onions, and salt. All items are arranged on a white surface.
A frying pan with raw ground meat, surrounded by small bowls containing eggs, flour, breadcrumbs, and salt on a white marble surface.
A frying pan on a white surface contains minced meat and chopped onions, being stirred with a wooden spatula. Surrounding the pan are eggs and a bowl of grated cheese.

In a large bowl crack the eggs.

Add the cottage cheese, pinch of salt, and mix well.

Add in the cooled meat mixture, chives, grated cheese, flour, and baking powder. Mix well. Line a baking dish with parchment paper and pour in the egg mixture for your high protein casserole.

A glass bowl filled with beaten eggs, creating a frothy yellow mixture. The bowl rests on a light gray marbled surface.
A glass bowl with grated cheese, chopped green onions, cooked sausage, and flour atop a mixture of beaten eggs. A wooden spoon is placed inside the bowl, ready to mix the ingredients. The bowl rests on a white marble surface.
Overhead view of an uncooked egg and vegetable mixture in a parchment-lined white baking dish. The mixture includes visible green herbs and bits of vegetables.

Bake for 25 to 30 minutes or until set (the eggs should not jiggle). A skewer/toothpick should come out clean once inserted.

Let cool for 5 to 10 minutes, slice, and enjoy!

A freshly baked high protein breakfast casserole in a rectangular white dish. The casserole is topped with melted cheese and sprinkled with chopped herbs. A gray cloth and a small bowl of herbs are nearby on the white countertop.
Golden, cheesy baked squares topped with chopped parsley on parchment paper. A small bowl of parsley is on the side, adding a touch of freshness to the presentation.
Three slices of savory breakfast casserole stacked vertically, filled with sausage, eggs, and green herbs. The soft, fluffy texture is visible, and there are sprinkles of parsley on top. The background is a light stone surface.

Kitchen tip

This casserole is suited to meal prep. You can prepare it the night before, refrigerate it, and then bake it in the morning.

Three slices of savory breakfast casserole stacked vertically, filled with sausage, eggs, and green herbs. The soft, fluffy texture is visible, and there are sprinkles of parsley on top. The background is a light stone surface.

High Protein Breakfast Casserole Substitutions and Variations

Give your breakfast casserole a personal touch by trying out these variations and substitutions. Whether you want to switch up the protein and cheese or add some veggies, these options for your high protein casserole will help you create a breakfast that’s uniquely yours.

  1. If you want to reduce cholesterol, you can also use a combination of whole eggs and egg whites.
  2. For extra nutrition, add a handful of fresh spinach, kale, or arugula to the egg mixture before baking.
  3. If you’re lactose intolerant or following a dairy-free diet, you could replace Parmesan cheese with a dairy-free alternative. Nutritional yeast can also provide a cheesy flavor without dairy.
  4. You can easily switch it up with other prot ein sources like cooked and crumbled turkey bacon, sausage, diced ham, or even vegetarian alternatives like tofu or tempeh for a meatless version.
  5. Use gluten-free flour or oat flour if you have a gluten intolerance.

Serve it with

  • Greek yogurt with berries and a touch of honey is a creamy and slightly tangy side option, which complements the high protein breakfast casserole.
  • A fruit salad with berries, melon, and citrus would complement the casserole nicely.
  • If you are eating the casserole for lunch or dinner, a simple salad featuring a blend of fresh greens, cherry tomatoes, cucumber slices, and a light vinaigrette dressing provides a crisp and nutritious side.

Similar Recipes

Questions

What herbs would be best for this recipe?

Chives or scallions are in the recipe, but any herbs will work well in this recipe.

How do we make this recipe gluten-free?

You can use a 1-1 gluten-free flour or an oat flour instead of all-purpose flour.

Could we use a different kind of meat in this recipe?

You can add any cooked ground meat of your choice; you can even use sausage (removed from the casing) for more flavor.

strong What other vegetables can we add to the casserole?

You can add diced bell peppers, spinach, mushrooms, or even sun-dried tomatoes.

strong Can we freeze this casserole?

Yes, you can freeze it. After baking and cooling, cut it into individual portions, wrap them tightly in plastic wrap or foil, and store in an airtight container in the freezer for up to 2-3 months.

strong Can we make this breakfast casserole ahead of time?

Absolutely! This casserole is suited to meal prep. You can prepare it the night before, refrigerate it, and then bake it in the morning.

How do we reheat the casserole?

You can reheat it in the microwave the following day or in a pan on the stove.

Ingredients

Makes 4 portions

  • 1 to 2 tablespoons avocado oil, or any oil
  • 400 grams lean ground turkey, any ground meat (1 pound)
  • 1 onion, finely diced
  • salt, to taste
  • 8 eggs, large
  • ½ cup cottage cheese
  • ⅓ cup chives, finely diced
  • ⅓ cup Parmesan cheese, or any grated cheese
  • 2 tablespoons all-purpose flour, 20 grams
  • 1 teaspoon baking powder, 3 grams

Equipment

  • Baking Dish
  • Measuring Cups + Spoons
  • Redmond Real Salt
  • Rotary Grater
  • Nakiri Knife
  • Cutting Board
  • Parchment Paper

Method

  1. Preheat the oven to 400F (200C).
  2. Heat a nonstick skillet over medium-high heat and add the avocado oil. Add the ground meat and cook, stirring and breaking up the meat with a spoon, until the water has evaporated and the meat begins to brown, about 10 minutes.
  3. Add in the finely diced onions and season with salt. Cook it until the meat and onions have some color. Remove the skillet from the heat and let the meat mixture cool.
  4. In a large bowl, crack the eggs. Add the cottage cheese, pinch of salt, and mix well.
  5. Add in the cooled meat mixture, chives, grated cheese, flour, and baking powder. Mix well.
  6. Line a baking dish with parchment paper and pour in the egg mixture. Spread the mixture out evenly with a spatula or the back of a spoon and bake for 25 to 30 minutes or until set (the eggs should not jiggle). A skewer/fork/toothpick should come out clean once inserted.
  7. Let cool for 5 to 10 minutes, slice, and enjoy!

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