When many people think of "tarts", they usually think of small individual desserts or other pastry type dishes. Not so with this healthy and hearty recipe from Cooking.com, which will yield enough delicious portions to feed up to 10 people! Actually, what we have with this entry is two different delicious recipes: one for the tasty Gruyere Pastry Dough and another for the delicious Wild Mushroom filling. If you like mushrooms, you are going to love this hearty recipe!