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    Ingredients
    
                - 2 lb potatoes Maris Piper are ideal
 - 2 packets frozen puff pastry
 - 1 large onion finely sliced
 - 1 clove garlic large, finely chopped
 - 1 egg
 - 1 tsp each of fresh chives, chervil, tarragon finely chopped (½ tsp. if dried )
 - 4 fl oz double cream
 - salt and pepper
 
            
 
        
    Ingredients
     
                
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    Instructions
    
                - Oven 160 C
 - Roll pastry very thin and line a 10” ungreased flan dish, allowing pastry to overlap all round.
 - Slice potatoes very thinly and soak in salted water for 20 minutes. Drain and dry the slices well.
 - Layer potatoes with onions and garlic, making 3 layers, in the dish. Season well.
 - Cover the dish with second layer of thinly rolled pastry allowing an overlap all round.
 - Trim pastry overhang to ½” and then roll the two overhangs together so that the roll just sits inside the edge of the dish. Cut the roll at intervals.
 - Mark the top with the point of a sharp knife into your chosen shape. Try not to cut right through the top! Brush all over with beaten egg. Bake at 160 for 2 ½ hours.
 - Cut around the edge of the top and remove the pastry lid. Sprinkle all the herbs over the potatoes and pour over the cream.
 - Replace lid and return to the oven for 10 minutes
 
