Ingredients

  • 1 14 cups all-purpose flour
  • 14 cup cold butter, cubed
  • 1 pinch salt
  • 1 egg
  • 3 tablespoons olive oil
  • 1 tablespoon water
  • 1 onion, chopped
  • 6 cups sweet potatoes, cubed
  • 3 tablespoons butter
  • 12 cup water
  • 14 cup flour
  • 1 pinch ground cloves
  • 2 eggs
  • salt and pepper
  • 1 cup shredded cheddar cheese
  • 2 zucchini, thinly sliced with a mandolin
  • 13 cup black olives, coarsely chopped
  • 14 cup olive oil
  • salt and pepper

Method

  • Pastry Crust: In the bowl of a food processor, place flour, butter and salt.
  • Pulse a few seconds at a time until the mixture has a grainy texture.
  • Add the egg, oil and water.
  • Pulse again a few seconds at a time until the dough begins to form a ball.
  • Add a little water if necessary.
  • Remove the dough from the processor.
  • Form a ball with your hands.
  • Cover with plastic wrap.
  • Refrigerate for 30 minutes.
  • Mashed Sweet Potatoes: In a saucepan, saute the onion and sweet potatoes in the butter for 2 minutes.
  • Add the water and bring to a boil.
  • Season with salt and pepper.
  • Cover and simmer gently for about 25 minutes or until the potatoes are tender.
  • Meanwhile, roll out the dough on a floured work surface.
  • Line a 25-cm (10-inch) quiche plate.
  • Refrigerate for 30 minutes.
  • With the rack in the lowest position, preheat the oven to 180 C (350 F).
  • In a food processor, puree 750 ml (3 cups) of sweet potatoes, the flour and cloves until smooth.
  • Blend in the eggs.
  • Season with salt and pepper.
  • In a bowl, gently blend the mashed sweet potatoes with the remaining potatoes cubes.
  • Adjust the seasoning.
  • Spoon into the crust.
  • Bake for 30 minutes.
  • Topping: Sprinkle the pie with the cheese.
  • Lay the zucchini in a rosette pattern, starting from the outside and moving inward.
  • Scatter the olives evenly over the pie.
  • Drizzle with the oil.
  • Season with salt and pepper.
  • Bake for about 30 minutes.
  • Allow to cool slightly and serve.