Dairy-free cheesy potato gratin recipe

This is a super-cheesy, super-saucy variant on the traditional potato gratin which can be served as a filling accompaniment to a variety of dishes. This follows on from yesterday’s cheesy vegetable bake recipe, as I made this a day later (once we finally had some potatoes).

What’s the difference between potato boulangere and potato gratin? A boulangere is a dish where thin slices of potato are put in an ovenproof dish, drowned in a sauce of cream and chicken stock, and baked until the potatoes at the top are crispy. A gratin, traditionally-speaking, is a boulangere with cheese on top. As you can see, the traditional version needs some big changes to make it dairy-free and vegan!

Every Sunday, and at Easter and Christmas, my aunt used to do a stunning roast dinner, and one of my favourite things on the dining table was a big bowl of potato boulangère with the delicious crispy slices of potatoes on the top and soft, saucy potato slices underneath. I loved it. When I had to cut out dairy many years ago after developing CMPA, I thought I’d never get to eat it again.

Sometime in 2012, my aunt gave me a dairy-free potato boulangere recipe and I was very happy to be able to enjoy one of my favourite dishes once again.

Since then, we’ve had four house moves across three countries (and two continents) and I have lost my potato gratin recipe. In the absence of a structured recipe, I devised this dairy-free cheesy potato bake a few days ago as a vegan side dish to go with the Lidl vegan Christmas roast they were selling very cheaply in January. It would also work well with Linda McCartney vegetarian quarter pounders, although you would need to add the quarter pounders to the oven about halfway through cooking this potato bake.

Ingredients:

5 medium-sized potatoes

Dairy-free white sauce (recipe here) or cheese sauce (recipe here). I recommend the white sauce.

100g grated cheese

You can totally cheat on the sauce and use one of plenty of options, such as Asda’s bechamel sauce (white sauce), or Sacla’s Vegan Ch**se sauce, both of which are sold in jars, or Tesco’s instant dairy free cheese sauce mix sachets (do NOT buy the ASDA cheese sauce sachets; they are NOT dairy free, only gluten free).

Method:

Peel the potatoes. Chop into thin slices. Fill a medium-sized glass dish with them.

Make up the white sauce (or cheat and open a jar of it) and cover the potatoes with it.

Cook on 150 degrees for 30-35 minutes then cover with grated cheese. Turn up the temperature of the oven to 180 and put the dish back in the oven and cook for the last 10 minutes, until the cheese has melted a bit and is starting to go crispy.

If you mess this up (as I did this one time) and put the cheese on too soon, just put the food in the oven and keep the oven at 150 for 20 more minutes.

To check if it’s ready, try sticking a fork into one of the slices of potato. If it feels hard, it’s not ready so put it back in the oven. If it’s soft, it’s ready to serve!

Author: Torie Adams

I am a thirtysomething travel writer, lifestyle blogger, photographer, and USA Today bestselling author in Ireland, aka Mama Adventure. As a writer, I have written articles that are published in Offbeat Bride and on Buzzfeed, and as a photographer, I have taken photographs that are published in local and national news outlets in the UK. I have a blog at www.mamaadventure.com Twitter: @mamaadventurez

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