Basic Instructions and Recipes for Low-Carb and Keto Breakfast Casseroles

Making a low-carb or Keto breakfast casserole on the weekend can help you eat a good breakfast all week! All these breakfast casseroles are low-carb, Keto, Low-glycemic, South Beach Diet friendly, and gluten-free. Use the Diet-Type Index to find more recipes like this.

PIN Basic Instructions and Recipes for Low-Carb and Keto Breakfast Casseroles!

It’s December, so I figure that’s not the time to give you a big round-up of low-carb recipes every Friday, right? I admire the people who can stay the course completely with low-carb eating, even during the holidays. But I can tell from my blog stats every year that most people indulge more than usual in December and get back on track in January! And no matter which type of low-carb eater you are, I thought I’d remind you about this post with Basic Instructions for Low-Carb and Keto Breakfast Casseroles.

When I know I’ll be attending parties or going out to dinner I try to start out the day with a healthy low-carb breakfast option, and I’ve made this type of egg-based breakfast casserole lots of different ways through the years. This post has recommendations for various-sized pans, and a few tips I’ve found are helpful, and you can follow my recipe template and make a tasty breakfast casserole with whatever ingredients you have on hand. And since I’ve shared so many breakfast casserole variations since I first posted this, I thought it would be fun to update the post with newer photos and recipe links for some of my favorites. (You can look in Breakfast Recipes for more low-carb breakfast ideas!)

I hope you enjoy trying some of my favorite low-carb breakfast casserole recipes. But the recipes are just a starting point! Once you’ve mastered the basics of making a tasty low-carb breakfast casserole, you can whip one up in no time from whatever is in the fridge. Hope you enjoy!

Weekend Food Prep:

Low-Carb Breakfast Casseroles are perfect to make on the weekend, so this post has been added to a new category called Weekend Food Prep  to help you find recipes you can prep or cook on the weekend and eat during the week!

Mushroom, Green Pepper, and Feta Breakfast Casserole

Low-Carb and Keto Breakfast Casserole Basics:

–I think the only “must have” in this type of breakfast casserole is eggs. Pretty much everything else can be varied to taste or depending on what you have on hand.
–I used to always add milk or half and half to the eggs; now I rarely bother with it, but for Keto you could add some cream for more fat if you prefer.
–I like to use cottage cheese stirred into the eggs for a little extra creaminess and more protein, but it’s always optional.
–In my mind, most any combination of breakfast casserole ingredients is improved with green onions.
–When I use mushrooms, or other veggie ingredients like pepper, broccoli, asparagus, or zucchini, I always saute or blanch them for a few minutes before putting them in the casserole dish.
–I always put the meat and/or veggie ingredients into the casserole dish first, then pour the eggs over. Then I stir gently with a fork to get the other ingredients well distributed in the egg.
–Even though I like my scrambled eggs on the runny side, I cook the breakfast casseroles until the eggs are slightly browned on top.
–I’m not sure I’ve ever made a breakfast casserole without using Spike Seasoning, but if you don’t have Spike, probably any combination of spices that you like in eggs will be good in this.
–Using non-stick spray or olive oil on your pan before adding the casserole ingredients is pretty important or the pan will be hard to get clean.
–Breakfast casseroles of all types will keep at least a week in the fridge. Some of my earliest recipes might still say breakfast casseroles can be frozen, but now I never freeze them. If you do, be prepared that they will release some liquid when they’re heated after being frozen (use a paper towel underneath to absorb the liquid.)
–To reheat breakfast casserole, microwave 1 minutes or slightly longer. Be careful not to cook too long.
–I think nearly every type of breakfast casserole is good with low-fat sour cream and salsa on top.

Broccoli-Cheese Breakfast Casserole

Basic Low-Carb and Keto Breakfast Casserole Recipe for 10X14 Casserole Dish:

(8-10 servings)
14-18 eggs
2-3 tsp. Spike Seasoning (or any spice mix you like on eggs)
salt and pepper to taste (I rarely use salt)
1/4 c sliced green onion
1 1/2 cups diced ham, Canadian bacon, turkey sausage, or other meat of your choice (precooked)
1 1/2 cups grated low fat cheese
8 oz. cottage cheese, rinsed so whole curds remain (completely optional)
12 oz. sauteed mushrooms, red pepper, broccoli, zucchini, or other veggies

Zucchini and Green Chile Breakfast Casserole

Basic Low-Carb and Keto Breakfast Casserole Recipe for 9X13 Casserole Dish:

(6-8 servings)
10-14 eggs
1-2 tsp. Spike Seasoning (or any spice mix you like on eggs)
salt and pepper to taste (I rarely use salt)
2-3 T sliced green onion
1 1/4 cups diced ham, Canadian bacon, turkey sausage, or other meat of your choice (precooked)
1 1/4 cups grated low fat cheese
6 oz. cottage cheese, rinsed so whole curds remain (completely optional)
10 oz. sauteed mushrooms, red pepper, broccoli, zucchini, or other veggies

Easter Breakfast Casserole with Asparagus and Artichoke Hearts

Basic Low-Carb and Keto Breakfast Casserole Recipe for 7X11 or 8X8 Casserole Dish:

(4-6 servings – This is the size I make most often now and cook it in my toaster oven.)
8-10 eggs
1 tsp. Spike Seasoning (or any spice mix you like on eggs)
salt and pepper to taste (I rarely use salt)
1-2 T sliced green onion
1 cup diced ham, Canadian bacon, turkey sausage, or other meat of your choice (precooked)
1 cup grated low fat cheese
4 oz. cottage cheese, rinsed so whole curds remain (completely optional)
8 oz. sauteed mushrooms, red pepper, broccoli, zucchini, or other veggies

Power Greens Breakfast Casserole with Feta and Mozzarella

Low-Carb and Keto Breakfast Casserole Instructions For All Sizes:

Preheat oven to 375. Spray glass or non-stick metal casserole dish with nonstick spray or olive oil. Dice meat and grate cheese. Saute any veggies you’re using in a small amount of olive oil for 3-5 minutes (depending on what type of vegetable.) Harder vegetables like broccoli should be briefly boiled and drained well.In bottom of casserole dish layer meat, veggies, green onions and cheese. Mix eggs with Spike Seasoning, salt, and pepper until whites and yolks are well combined. (Edit: eggs should be well combined, but not beaten together like whipping egg whites, just mixed with a fork. Add cottage cheese to egg mixture if using.) Pour eggs over meat/cheese mixture, then stir gently with a fork so that all the ingredients are evenly distributed in the eggs.

Bake until eggs are firmly set and top is lightly browned:
–35-45 minutes for 10X14 size pan
–30-35 minutes for 9X13 size pan
–20-25 minutes for 7X11 or 8X8 size pan

Favorite Low-Carb and Keto Breakfast Casserole Recipes:

Low-Carb Mushroom and Feta Breakfast Casserole
Kale, Mushroom, Feta, and Mozzarella Breakfast Casserole
Broken Arm Breakfast Casserole with Cottage Cheese, Bacon, Feta, and Green Onions
Kale and Feta Breakfast Casserole
Low-Carb Breakfast Casserole with Spinach, Leeks, Cottage Cheese and Goat Cheese
Kale, Bacon, and Cheese Breakfast Casserole
Bobbi’s Egg and Green Chile Breakfast Casserole
Karyn’s Holiday Breakfast Casserole with Artichokes, Goat Cheese, and Canadian Bacon
Low-Carb Southwestern Egg Casserole
Low-Carb Breakfast Casserole with Sweet Italian Sausage, Mushrooms, and Cheese
Roasted Green Bell Pepper and Roasted Tomato Breakfast Casserole with Feta and Oregano
Low-Carb Breakfast Casserole with Asparagus, Mushrooms, and Goat Cheese

Want more low-carb breakfast casserole ideas? Check out the Low-Carb Recipes Index to see all the low-carb recipes that have been posted on this site.