Leek tart - video recipe !

Name: Leek tart - video recipe !
Prep time: 40 min
Cook time: 45 min
Total time: 1 h 25 min
Yield: 8
Cuisine: En
Ingredients: 1 short pastry sheet; 5 leeks; 2 shallots; 2/3 cup white wine; 0.5 ounce flour; 3/4 cup milk; 1/2 cup cream; 1 egg; salt; pepper