Potato leeks and mushroom flan

6 servings
30 min
40 min
Flan base made with mashed potatoes with a filling of leeks,mushrooms and cheese.


Number of serving: 6
For The Potato ' Shell '

5-6 Large Potatoes ( boiled and peeled )

1 Teaspoon Dried Oregano ( use any or none if not handy )

2 Tablespoons Olive Oil .

1 Teaspoon Salt.

The Filling

1 Packet Mushrooms ( chopped medium thick ).

2/3 Cup Chopped Leak ( 1/2 or a little less thick ).

2/3 Cup Milk.

2/3 Cup Cheddar Cheese ( grated ) I used a combination of Cheddar,Mozzarella and Gouda

3 Eggs.

1 Teaspoon Baking Powder.

Salt and Freshly Crushed Pepper.


  • Mash the potatoes well along with the oil , herbs and salt . Pat the potato ' dough ' onto your flan dish evenly covering the sides and bottom ( 1/2 " thick ) and bake in the preheated oven for 15 minutes . Take out and cool .
  • In a 1 tablespoon olive oil over very high heat smoke the pepper and immediately add the leek and chopped mushrooms . Don't allow the mushrooms to loose water which is why it is cooked no more than a minute and under very high heat.Remove from heat and cool .
  • Meanwhile whip the eggs , milk , cheese , baking powder , salt and any leftover mashed potato .
  • Stir in the cooked leek and potatoes , pour the filling into the potato shell , bake 25 minutes .


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