Breakfast Casserole with Mushrooms and Asparagus

By Katie, 5:01 am

As I’ve mentioned before, I usually opt for sweet breakfasts over savory ones. Truth be told, I usually opt for sweet anything over savory anything. ;-) But I’ve discovered that sometimes a savory breakfast is better because it often involves more protein, and hence keeps me feeling full longer. It also helps me get in a serving or two of veggies, which is rare in my standard, sweet morning meals.

While this breakfast casserole is very simple to make, it’s not the fastest meal to whip up…probably more of a lazy-weekend-morning breakfast than an out-the-door-workday kind of thing. But it does keep well in the refrigerator – not to mention it makes six hearty servings – so you could always make it on the weekend and then just give it a quick spin in the microwave throughout the week.

To make this breakfast casserole, I simply sauteed some asparagus, mushrooms, and spinach in a little bit of olive oil. Then I layered the veggies in a prepared cassrole dish and topped them with mozzarella cheese. On top of that I poured a mixture of beaten eggs, egg whites, and milk, then popped it in the oven until the eggs were set and the top was beginning to brown – about 45 minutes.

Perhaps the best thing about this recipe is that it’s basically an (almost) blank canvas; it’s the foundation upon which you can build all sorts of delicious variations. Don’t like mushrooms? (GASP! 8-O ) You can easily sub in another veggie. Want something more fancy? Swap the mozzarella for goat cheese. Love bacon as much as this lady? Cook some up and throw it in! (Next time I’ll add a few chopped Morningstar Farms breakfast sausage patties, which I’m currently loving.)

Breakfast Casserole with Mushrooms and Asparagus
Adapted from In Good Taste
Makes 6 hearty portions

Ingredients
1/2 lb. asparagus, cut into 1-inch pieces
1/4 lb. white mushrooms, sliced
2 cups baby spinach, chopped
1 tbsp olive oil, divided
1/2 cup shredded mozzarella
6 eggs
6 egg whites (I used the equivalent of liquid whites from a carton)
2 tbsp milk
salt and pepper

1. Preheat oven to 375º. Spray a 9 x 13 glass casserole dish with nonstick spray.

2. Heat 1/2 tbsp olive oil over medium-high, then add the asparagus and saute about 5 minutes. Spread the asparagus pieces into a single layer in the casserole dish.

3. Add the remaining 1/2 tbsp olive oil to the pan. Saute the mushrooms for 5 minutes or so, then add the spinach and cook until wilted, about a minute more.

4. Layer mushrooms and spinach on top of asparagus in the casserole dish, then top with shredded mozzarella.

5. In a medium bowl, beat 6 eggs, then add egg whites and milk and whisk until combined. Season to taste with salt and pepper, and pour over vegetables and cheese.

6. Bake for 45 minutes, or until eggs are set and the top of the casserole is beginning to brown.

What’s your favorite savory breakfast?

AND

Do you ever prepare your upcoming breakfasts over the weekend, so during the week it’s just grab-and-go? I’ve heard of people making a whole batch of oatmeal or muffins, which sounds like a good idea to me!

31 Responses to “Breakfast Casserole with Mushrooms and Asparagus”

  1. Tina says:

    Yum yum yum. I never think of making breakfast in advance. I make lunches for the week in advance sometimes, but this is so great! I must try it. Although minus the asparagus. It is the one veggie I will NOT eat.

  2. Elina says:

    Great idea! I also almost always go for sweet breakfasts but my husband would love it and I do enjoy an eggy breakfast on occasion. I’m hoping to go to Maine this weekend – maybe I’ll whip this up for the fam :)

  3. Lauren says:

    I love breakfast casseroles! Such a great idea because you can make them ahead and have a fantastic meal ready to go in the morning! ;)

  4. brandi says:

    I love sweet and savory breakfasts equally. I’m pretty sure I just love breakfast :)

    I have done egg bakes like this or frittatas or mini quiches for quick grab and go breakfasts. It’s nice to have during busy weeks!

  5. We make breakfast casseroles all the time! Keith and I both are up every morning at 4:30 because we have to open our gym at 5:00. So I always make casseroles on the weekend so we have good healthy and hearty breakfast at the gym! :) This looks wonderful and perfect for us. Thanks!

  6. tanyasdaily says:

    What a healthful breakfast.

  7. This looks awesome! Thanks for sharing the recipe!

  8. biscuits and gravy baby! :)

  9. katie says:

    i LOVE BFAST CASSEROLES!! fav savory bfast- omelets with toast!

  10. Sometimes, I’ll make a breakfast in advance, but it’s more of a winter thing for me. I try not to do much baking or heavy cooking during the summer. This looks dynomite!

  11. Mmm that looks really good! I sometimes try to prepare breakfasts on the weekend for the rest of the week but I tend to tire easily of eating the same thing all week long. My favorite savory breakfast is my mom’s breakfast sausage & egg breakfast casserole…but it is NOT healthy! :)

  12. My favorite savory breakfast is a good ol’ Western Omelet with hash browns. YUM. Actually, I like mushroom omelets, too. And I love Bloody Marys… now I’m hungry.
    The only way I prepare breakfast in advance is if I make muffins or biscuits. Or mini-quiche cups, because those can be frozen and are super easy! Otherwise, I usually make my oatmeal in the morning during the week, and eggs/crepes/pancakes/etc to order on the weekends ;)

  13. Shawnee says:

    Most favorite savory breakfast will forever be eggs over easy over the top of toast with ketchup. I just love it! I don’t prepare breakfast on the weekends. I usually just have cereal, toast or oatmeal.

  14. Mmm mmm! This looks tasty! My favorite savory breakfast is an omelet stuffed with cheese, onions and spinach! I also enjoy sauteeing veggies with garlic, salt and pepper and serving them alongside something sweet, such as yogurt or pancakes (that way I get savory AND sweet in one meal!).

  15. ohhh lovely…this is like frittata. I often make something similar (great way to get rid of leftover bits and pieces!) and just make it in a pan on the stove…then top with a bit of cheese and pop under the grill for one or two minutes. So quick and good.

    Fave savoury breakfast? Probably poached eggs on toast…though I do love the sweet savoury thing. The best of which is french toast with maple syrup AND bacon. DIVINE!

  16. homecookedem says:

    This looks great!! So healthy and gluten free!! :)

    My grandma makes an awesome breakfast casserole every year for Christmas and it is far from healthy, but omg, it holds such a special place in my heart!! :)

  17. I have to say that I go with “sweet” for breakfast everyday. In the summer I eat over night oats and in the winter I eat cooked oats. I’m boring, what can I say. =)

  18. Robyn says:

    Yum, I bet that would make a good breakfast if you have friends over for brunch. Every weekend I make myself eggs, but never during the week since I eat at work.

  19. Hayley says:

    YUMM!!! That seriously looks so delicious! I’m weird about cooked mushrooms..I love them raw and in salads but I only SOMETIMES like them cooked in meals. It’s very strange! They look really good in your breakfast casserole! I’d have to say a good savory breakfast for me is anything involving eggs. Omelets, scrambled eggs, eggs with cheese and/or spinach, boiled, fried..you get the point! :)

    I tried to do the whole make a big batch of steel cut oats to put in the fridge and ended up throwing away half. One reason was because I discovered I didn’t much like steel coat oats, and the other reason was that I discovered I didn’t WANT oats everyday and I’d made too many! :)

  20. Nicole, RD says:

    That looks wonderful, Katie! I love savory breakfasts — very satisfying like you said :) I make quiche to take for the week all the time. It reheats really well in the microwave! And the turkey bacon gets the whole office in a tizzy over who brought breakfast and didn’t share ;)

  21. Wow this is suprisingly easy to make! This would be great to make for a family brunch on the weekend!

    My favourite savory breakfast is smoked salmon and cream cheese on a bagel. I’m usually one for sweet breakfasts though. There’s nothing like oats or yogurt messes to start your day with!

  22. Mmmmmm yum! I love breakfast casseroles. I like to add potatoes or whole wheat bread to mine to bulk them up a bit. Definitely something I make in advance and in large batches are pancakes that way I can enjoy them throughout the week too.

  23. That breakfast casserole looks awesome! I love asparagus and mushrooms! I sometimes do something similar with quiche and have it ready for the whole week! I love making muffins for the week as well!

  24. Michelle says:

    I make crust-less quiches each weekend for my breakfasts during the week all the time. I play with different ingredients but I prefer an egg breakfast because it keeps my blood sugar stable all morning and helps me feel full.

  25. I also usually go for a sweet breakfast because there aren’t too many vegan options in the savory vein, but I do love a good tofu scramble!

  26. Katie… this is amazing! I never make breakfast ahead of time but this would be great for me to make and grab as I need it. This would also be really good for a fast lunch. My breakfasts are usually just Food for Life english muffins with P. butter or cold cereal. Boooring.

  27. YUM! This reminds me of a breakfast casserole my dad used to make, which had hash browns as the bottom layer! I’m going to have to get him to make that again sometime soon…

    I definitely find that savory breakfast keep me fuller longer (like you said – more protein). But I just can’t seem to shake my love for sweet breakfasts these days!

  28. christina says:

    omg i really really love this casserole! delicious. i’ve made little egg fritattas to eat up during the week.

  29. debby says:

    I have a hard time eating savory first thing in the morning. Either I have something like that for my ‘second breakfast,’ or I might have it for lunch or dinner. My trainer makes a chile relleno casserole that is mucho bueno!

  30. WOW!! THIS LOOK INCREDIBLE KATIE! i agree, the protein keeps me full for so much longer. my egg breakfast i made that i posted about kept me full for 5 hours!! and then even longer, it was rediculous!

    wow this looks so tasty!!

  31. Just found this post through Elina’s blog…I am totally making this this weekend and having it to take to work all week! Thank you!

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