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Vegan Potatoes Au Gratin in serving dish with one slice out of it

Vegan Potatoes Au Gratin

  • Author: Maria Koutsogiannis
  • Prep Time: 20 minutes
  • Cook Time: 1 hour
  • Total Time: 1 hour and 20 minutes
  • Yield: 9 1x
  • Category: Main
  • Cuisine: Vegan


This vegan potatoes au gratin recipe is one of my favs for the holiday season or as a side dish any time of year.



7 russet potatoes, washed and thinly sliced

1 tbsp. olive oil

1 medium sized white sweet onions, finely chopped

2 cloves of garlic

1 tbsp. vegetable stock paste

1/2 cup Melt Butter

4 tbsp. all purpose white flour

3 cups unsweetened almond milk

3 tbsp. lemon juice

1 tbsp. soya sauce or coconut amonios

1/3 cup vegan parmesan cheese


Preheat oven to 400F and butter a 12 X 8 baking dish with.  Set aside.

Cut russet potatoes in thin, round slices and layer with drizzles of olives oil and a dusting of salt and pepper.  Repeat till your reach around 1/2 inch from the top of the dish.

In a pan, heat your olive oil for a few seconds and add your onions.  Cook on medium heat for around 5-7 minutes, or until golden.  Add your garlic and veggie stock.  Cook for another minute or two, stirring to avoid burning and to ensure everything is well coated with the flavour from the stock paste.

Plop in your knobs of butter and reduce heat to low.  Once your butter has melted add in your flour and stir till all the onions are coated with flour.  Increase heat to medium.

Slowly begin adding your almond milk and stir consistently as you do so. Once all your milk has been added a thicker sauce has formed you can go ahead and add your lemon and soya sauce.

Stir again just before pouring over your potato layers.  Top off with some vegan parmesan cheese and cover with tin foil.  Cook covered for 45 minutes and under covered for around 10 minutes.  To add that golden brown affect you can broil just before serving!

Keywords: american thanksgiving, vegan, comfort food, vegan, potatoes au gratin