Make-ahead Mashed Potato Casserole | RecipeTin Eats


Mashed Potato Casserole is an outrageously scrumptious but extremely sensible technique to make mashed potato forward of time! A layer of cheese and bacon prevents the mash from drying out because it reheats within the oven, whilst remodeling this humble facet into one thing extra-devilish and decadent. Oh the facility of cheese (plus bacon)!

Make it contemporary, or bring together forward and reheat when required. Serve rather than undeniable ole’ mash.

Scooping up Mashed Potato Casserole

Make-ahead mashed potato

With the vacations rapid drawing near, I believed it could be well timed to percentage my favorite technique to make mashed potato forward of time.

The item with make-ahead mash is that you can’t merely reheat it within the microwave or oven. You may suppose a dash of milk and excellent stir is all it takes to revive it. However I will let you know that’s the trail to a mouthful of gluey horridness.

Whilst there are nifty techniques to reheat chilly mashed potato effectively*, a large dish of creamy Mashed Potato Casserole takes the prize for probably the most foolproof-yet-show-stopping manner I do know! It additionally wins the prize for the bottom effort at the day-of since you actually simply pop the pre-assembled dish into the oven. It’s a win-win, 10/10 – not anything may well be extra becoming in your vacation banquet menu!!

* How I reheat undeniable mashed potato: Chilly mash in scorching cream (recipe right here, however be aware it’s extra paintings at the day) or in heavy responsibility piping luggage submerged in boiling water, a trick caterers use (see my demo right here on Instagram).

Close up of Mashed Potato Casserole

Is there one of these factor as an excessive amount of bacon??

Confession: I feel I used to be a bit heavy-handed with the bacon within the pictures whilst being a tad brief at the stuff for the recipe video!! So the recipe card as written is a cheerful medium. 😊

However in reality, having a look on the picture beneath, it does glance lovely engaging with virtually complete bacon protection at the floor. And … is there even one of these factor as an excessive amount of bacon?? (Yeah nah)

Freshly made Mashed Potato Casserole

What you wish to have for Mashed Potato Casserole

Right here’s what you wish to have to make Mashed Potato Casserole:

Ingredients in Mashed Potato Casserole
  • Potato – Floury and all-rounder potatoes paintings best possible to reach a fluffy but creamy mash with out fussing with potato ricers and different units.
    – Australia: the inexpensive dirt-brushed potatoes offered all over (referred to as Sebago) are excellent
    – US: Russet
    – UK: Maris Piper

  • Milk – Our liquid to loosen the potato as much as shape mash. If making forward, we upload more (see How To Make segment for extra).

  • Bitter cream – I desire the use of bitter cream slightly than cream in mashed potato casserole for the reason that slight tang makes a pleasing counterpoint to the entire different richness happening right here (butter, cheese, bacon). It doesn’t make it bitter in the slightest degree. It type of provides creaminess into the mash with out including cloying richness. Does that is smart??

  • Butter – Mash with out butter isn’t mash. #strongopinions!

  • Cheese – I exploit a mix: Mozzarella for superb melty-cheesy-stretchiness. Then Crimson Leicester for flavour (it’s savoury and a little bit sharp, like elderly cheddar), and so as to add a beautiful orange hue to the mash floor. When you’re within the States, your orange cheddar is perfect right here.

    Another way, use any melting cheese you favor (colby and Monterey Jack are different non-public favourites). When you decide to make use of mozzarella as your major cheese, upload a handful of parmesan for flavour as a result of mozzarella on my own is in reality fairly bland and lacks saltiness.
    Shred your personal – One among my 5 non-negotiable regulations mentioned loudly at the first web page of my cookbook is, “At all times shred your personal cheese”! Retailer-bought pre-shredded cheese is lined in anti-caking brokers which forestall it from melting in addition to freshly-grated. I exploit a typical field grater for the paintings.
    Pack your cups of cheese – For consistency I desire weight over quantity to measure cheese. So I’ll weigh a hunk of cheese ahead of grating it. However if you’re the use of cup measures, be sure you pack your cups tightly when measuring the shredded cheese another way you are going to be brief. No person needs to be brief on cheese, ever!

  • Sir Francis Bacon – For sprinkling over the casserole floor. Word: I all the time use streaky bacon. As a result of fats = flavour! Additionally, fatty bacon crisps up and hues higher, with out drying out.

  • Inexperienced onion – For a slightly of oniony freshness and color.

Learn how to make Mashed Potato Casserole

No rocket science right here. We make mash, unfold it right into a casserole dish, best with cheese, bacon after which forestall right here if making forward. In any case, at the day of your do, bake it!

How to make Mashed Potato Casserole
  1. Reduce potatoes – Peel and lower the potatoes into even sized items.

  2. Boil till comfortable – Position the potatoes in chilly salted water. Convey it as much as a boil over top warmth then cut back the warmth all the way down to medium top or medium so it’s simmering unexpectedly. Cook dinner for quarter-hour (no lid) or till the potatoes are very comfortable. They will have to fall aside while you jab it with a fork.

  3. Mash – Drain the potatoes smartly in a colander and pour them again into the empty pot. Mash with the butter, milk, bitter cream and salt.

    MAKE-AHEAD ADJUSTMENT – If you’re making this dish with the purpose of serving it day after today, then upload an additional 2/3 cup milk. The mash will appear too unfastened, however that is intentional. It’s to consider the truth that mashed potato companies up when refrigerated in a single day. So as soon as reheated, it has the similar consistency as when it’s freshly made!

    Potato masher – I love to make use of a potato masher that is sort of a spherical disc with holes in it, as pictured above. It’s the quickest and best instrument for a gentle mash with out the use of a potato ricer (which I reserve only for Paris Mash, when in the hunt for that next-level-luxe, ultra-smooth, 3-Michelin-restaurant consequence!).

  4. Unfold in a casserole dish.

How to make Mashed Potato Casserole
  1. Best with the cheeses and bacon. (Sure you eagle-eyed spotters, I used to be brief on bacon for those photographs 😂)
    For make forward – At this degree, the assembled dish will also be popped within the refrigerator for as much as 3 days. Simply take it out of the refrigerator 2 hours forward so it has time to de-chill. This will likely make it reheat quicker and extra frivolously within the oven.

  2. Duvet with foil then bake for 20 mins at 200°C / 400°F (180°C fan), if freshly made. Upload an additional quarter-hour for those who’re reheating a make-ahead casserole you ready the day ahead of.

  3. Discover – Take away from the oven and bake for an additional 10 mins till bubbly and golden.

  4. Voila, in a position to serve! Crack via that molten cheese floor and wonder at how creamy the mash beneath is!

Big pan of Mashed Potato Casserole
Bowl of Mashed Potato Casserole

Learn how to serve Mashed Potato Casserole

It is a dish designed to be an aspect. (I do know we will all image it moonlighting as a standalone dish after a large evening at the turps or a surprising day at paintings, however it’s intended to take where of conventional undeniable mashed potato, I swear.) As a result of in reality, despite the fact that this has cheese and bacon on it, beneath is all creamy undeniable mashed potato.

So position it at the desk or at the buffet along the mains and let everyone dig in and lend a hand themselves! Attempt to get in first despite the fact that. As a result of you realize complete smartly the primary in line are going to take greater than their justifiable share of that cheese bacon topping – and we all know complete smartly we additionally can’t blame them….. – Nagi x

Watch the way to make it

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Scooping up Mashed Potato Casserole

Mashed Potato Casserole

Servings10 – 12

Faucet or hover to scale

Recipe video. That is an outrageously scrumptious but extremely sensible technique to make mashed potato forward of time! A layer of cheese and bacon prevents the creamy mash from drying out because it reheats within the oven, whilst remodeling this humble facet into one thing extra-devilish and decadent. Oh the facility of cheese (plus bacon)!Make it contemporary, or bring together forward and reheat when required. Serve rather than undeniable ole’ mash.


  • 1.75kg/ 3.5 lb potatoes (Sebago (Aus), Russet (US), Maris Piper / King Edwards (UK)(Word 1)
  • 1 tbsp cooking / kosher salt , for cooking potatoes
  • 2/3 cup milk (ideally complete fats/complete milk however lite adequate)
  • 2/3 cup EXTRA milk , for make-ahead choice handiest (Word 2)
  • 75g / 5 tbsp unsalted butter , lower into 1cm / 1/2″ cubes
  • 1/2 cup bitter cream (or yogurt), complete fats best possible
  • 1 tsp cooking/kosher salt , or to style
  • 1 1/2 cups (tightly packed) mozzarella , freshly shredded (Word 3)
  • 1 cup (tightly packed) Crimson Leicester, cheddar or different flavoured cheese(Word 3)
  • 200g / 6 oz. bacon (streaky), chopped (Word 4)
  • 1/4 cup inexperienced onion , finely sliced


Cook dinner bacon:

  • Position bacon in a chilly non-stick pan over medium warmth (no oil). Because the pan heats up the bacon fats will soften. Whenever you see some melted bacon fats, flip the warmth as much as medium top and stir for three minute or till golden.

  • Drain on paper towels.


  • Potatoes – Peel then lower into 3cm /1″ chunks.

  • Boil – Position in a big pot and canopy with water so it’s 10cm / 4” above the potatoes. Upload 1 tablespoon salt. Convey to a boil over top warmth then cut back warmth so it’s simmering unexpectedly. Cook dinner quarter-hour or till potatoes are very comfortable (jab with fork to check, they will have to fall aside).

  • Drain smartly, then go back into pot. Go away for 1 minute, shaking pot now and again, to inspire evaporation of water.

  • Mash – Upload milk (together with EXTRA milk if making-ahead), butter, bitter cream and 1 tsp salt. Mash till gentle. (Don’t use meals processor, blender or beater, makes it gluey!)


  • Preheat oven to 200°C / 400°F (180°C fan).

  • Unfold the potato in a 2 litre / 2 quart baking dish (Word 5). Easy the outside.

  • Sprinkle – Sprinkle potato with the cheeses, then bacon.

  • Bake lined – Duvet loosely with foil. Bake for 20 mins lined (if freshly made) or 35 mins (make-ahead choice).

  • Bake exposed – Take away foil then bake an additional 10 mins till the cheese is bubbly and golden.

  • Serve – Sprinkle with inexperienced onion then serve! It remains heat for a excellent 20 mins due to that protecting layer of cheese. Oh, the powers of cheese!

Recipe Notes:

1. Potatoes – Any starchy or all-rounder potatoes appropriate for making mash will paintings nice.
2. Additional milk for make-ahead choice makes the mash looser to consider that mash companies up when refrigerated. That is the quantity required in order that the reheated dish finally ends up with the similar consistency as when it was once freshly made!
3. Cheeses – Mozzarella for superb melting qualities, plus Crimson Leicester or US cheddar for color and flavour (sub with different cheese of selection like colby, gruyere, Swiss, tasty).
SHRED YOUR OWN for the most productive consequence! Retailer-bought pre-shredded is lined with anti-caking brokers so it doesn’t soften as smartly.
PACK your cups tightly when measuring shredded cheese, else you’ll be brief. And no one needs to be brief on cheese, ever!
4. Sir Francis Bacon – You wish to have to make use of streaky/fatty bacon to make use of this no-oil means of cooking bacon. When you use lean bacon, it is very important preheat oil. I do know which choice I desire! 🙂
5. Dish – A 2 litre / 2 quart baking dish is the perfect measurement, it’s going to be stuffed to the brim. A 23 x 33cm / 9 x 13″ dish (3L/3 qt) works tremendous too – might be stuffed about 2/3 of the best way up.
6. Make-head – Helps to keep for three days within the refrigerator, raw, totally assembled aside from for the golf green onion. Be sure you take it out of the refrigerator 2 hours previous to reheating to take the loosen up of the it so it reheats extra frivolously.
Freezing – A former crew member reported superb effects freezing the assembled dish, thawing then reheating. However I by no means attempted it myself – I will be able to come again and replace if (no, when!) I do.
Leftovers will stay for three days, however the mash gained’t be as creamy. Believe the use of it to make mashed potato truffles as an alternative!
7. Diet consistent with serving assuming 12 servings, as a part of a bigger ceremonial dinner.

Diet Knowledge:

Energy: 333cal (17%)Carbohydrates: 26g (9%)Protein: 11g (22%)Fats: 21g (32%)Saturated Fats: 11g (69%)Polyunsaturated Fats: 2gMonounsaturated Fats: 6gTrans Fats: 0.2gLdl cholesterol: 54mg (18%)Sodium: 1057mg (46%)Potassium: 668mg (19%)Fiber: 3g (13%)Sugar: 3g (3%)Nutrition A: 478IU (10%)Nutrition C: 27mg (33%)Calcium: 200mg (20%)Iron: 1mg (6%)

Lifetime of Dozer

Folks were questioning how Jeff is, our pleasant native who lives at my native canine park (Bayview, in Sydney’s northern seashores), an legit RecipeTin style tester. He’s doing smartly! That is how I get started each weekend – espresso for Jeff, a ham and cheese croissant for his canine Cubby (on occasion Jeff will get a chunk) and Dozer, looking ahead to scraps – till he provides up and gallops all the way down to the seaside to enroll in his friends within the water!

Picture captured by way of Kevin of Unleashed Northern Seashores, an area photographer. Superb reward concept: voucher for a personal pooch picture shoot!



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