Freezing and Reheating Breakfast Egg Casseroles

Category Casseroles
Breakfast egg casseroles can be successfully frozen and reheated if the casserole is cooked before freezing. This is a page about freezing and reheating breakfast egg casseroles.


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August 16, 2010

I am trying to get a definitive answer regarding freezing breakfast egg casseroles. Does one bake them and then freeze? Or freeze them unbaked?

If baked and frozen, what about defrosting first or does one bake them frozen and for how long if they have been previously frozen? If unbaked and frozen, please, the defrosting and baking details.

I need this info asap, please. Does one cover the previously baked and frozen casserole when reheating? Does one decrease the liquid amounts in a previously baked and frozen egg casserole? Your assistance is needed.



August 16, 20102 found this helpful
Best Answer

We freeze it both in a full casserole and in smaller "single serving" sizes.


When we do a whole casserole, we cook it leaving it a bit undercooked, so that the eggs are set, but the top is not nicely browned. If we are planning to freeze it, we do not put the cheese on top. When taking it out of the freezer to cook it, we cook it covered at 350 degrees F until the middle is not cold (I don't know, maybe 30 min), then we uncover it, throw the cheese on top and cook it for another 15 min or so until the cheese is melted and crispy brown.

Our favorite way to freeze it, though, is in small portions. We make the casserole as per directions (we make two, one to eat, one to freeze), then we cool it, cut it into squares, wrap them in aluminum, put the pieces in a plastic bag and freeze the package. In the mornings, if you get up, pop one wrapped piece in the oven while you get ready, it is warm and ready to eat when you are done. (Maybe 20 min. in a 350 degree oven). My boys use this as their breakfast regularly. Hope some of that helps.

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August 18, 20101 found this helpful
Best Answer

I recently started making breakfast casseroles in mini loaf pans to help with a quick breakfast in the mornings. I make the entire recipe (including cook time) and then cover each with a little wax paper on top of the mixture, and then aluminum foil.


Take it out of the freezer the night before and then slide the casserole out of the loaf pan in the morning and pop into the microwave for about 1 minute. It's been one month now and the casseroles are still great from freezer to table. A little milk might help if you like it to be moist though.

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March 17, 2019

Can egg casseroles be frozen?


March 18, 20190 found this helpful

Yes, they can.

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March 27, 20190 found this helpful

Yes - egg casseroles can be frozen safely.

ThriftyFun has some great answers to this question from postings in the past.


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November 21, 2018

Can a frozen breakfast casserole for 10 be reheated in crock pot. If so, how many hours? The meat is cooked.


November 25, 20180 found this helpful

I would reheat overnight on low. Not more than 6 hours. I think you would be better off thawing it in the microwave and then heating it up.

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November 25, 20180 found this helpful

My defrosting go to is overnight in the fridge or the microwave. Mostly the fridge as the micro sometimes causes meat to toughen up and veggies to get too soft.


Crock pots are not the best defrosting choice and can even be dangerous as they don't get hot enough to kill bacteria that may be in the food and killed from proper reheating.

Safely first!

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Food and Recipes Freezing Freezer Meals CasserolesJanuary 20, 2018
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