Ingredients

  • 1 1/2 lb russest/mealy (all purpose) potatoes
  • 3 tbsp butter
  • 1 salt
  • 1 pepper (ground white/black)
  • 1 pinch ground nutmeg (optional)
  • 1 can cream of mushroom
  • 1 cup milk
  • 2 egg yolks
  • 3 oz sliced mushrooms
  • 1/2 small onion- chopped small (1/4" dice) 2-3 cloves of garlic (minced)
  • 4 oz (or more) grated cheese- gruyere/mozerella/colby jack

Method

  • preheat oven to 350F
  • peel potatoes , cut into thin slices (1/8" thick)
  • combine and whisk milk and cream of mushroom in sauce pan over medium low heat
  • melt 2 tablespoons of the butter in a seperate pan.
  • then add onions , cook 2 minutes
  • add sliced mushrooms to the pan with the onions.
  • toss well so that the mushrooms are coated in butter all around.
  • cook until tender and onions are translucent.
  • meanwhile, in a mixing bowl whisk egg yolk together
  • gradually whisk the cream of mushroom mix into the egg yolk.
  • whisk slow and thuroughly
  • now, with the remaining tablespoon of butter, grease a 2" deep baking dish.
  • add a layer of potatoe slices to the dish
  • pour a portion of the cream of mushroom accross potatoes
  • lightly sprinkly salt, pepper, nutmeg on potatoes
  • disperse a portion of onions/mushrooms on top
  • sprinkle cheese on top.
  • repeat layers(3-4)
  • bake 50-60 minutes.
  • let cool 5-10 minutes and serve