
Ingredients
Filling
- 1 large bunch Swiss chard, stemmed, with leaves torn into pieces
- 4 tablespoons extra virgin olive oil
- 1 tablespoon butter
- 2 large onions, thinly sliced
- 1 teaspoon brown sugar
- 2 tablespoons balsamic vinegar
- 1/4 pound chunk pancetta, diced
- 1/2 teaspoon hot red pepper flakes (optional)
- 1/3 cup tarragon, minced
- Salt and pepper to taste
- 1 cup Swiss, mozzarella or Fontina cheese, diced
- 2 beefsteak tomatoes thinly sliced
Tart dough
- 1-3/4 cups unbleached all purpose flour
- 2 teaspoons baking powder
- 2 teaspoons sugar
- 1/2 teaspoon baking soda
- 1/2 teaspoon fine sea salt
- 6 tablespoons cold unsalted butter, cut into bits
- 3/4 cup buttermilk
Method
Filling
- Fill a large pot with boiling water.
- Salt it, add the Swiss chard leaves and boil for 2′.
- Drain in a colander and squeeze as much water as possible from the leaves.
- You should have about 1-1/2 cups.
- On a cutting board, coarsely chop the leaves and set aside.
- In a large sauté pan, melt 2 tablespoons of the olive oil and all the butter.
- Stir in the onions and cook them slowly over low heat until they soften and begin to caramelize.
- Stir in the brown sugar and the vinegar and cook until the onions are glazed-looking.
- Transfer to a large bowl.
- In the same pan, heat the remaining olive oil and add the pancetta.
- Cook until the pancetta begins to give off its fat and begins to brown.
- Stir in the red pepper flakes and the Swiss chard and cook for about 4′, stirring frequently.
- Stir in the tarragon, salt and pepper to taste.
- Transfer to the bowl with the onions.
- Cool to room temperature.
- Add the cheese and mix in.
- Filling can be made two days ahead and refrigerated.
Tart dought
- In a large bowl, combine the flour, baking powder, sugar, baking soda and salt and blend with a fork or pastry blender until the mixture resembles oatmeal flakes.
- Stir in the buttermilk and combine with a spoon or your hands until a rough ball of dough is formed.
- Do not over work the dough, it will be soft and sticky.
- Wrap the dough in plastic wrap and refrigerate several hours or make the dough the day before.
Pie
- Preheat the oven to 200 °C.
- Roll the dough into a 35 cm diameter on a large sheet of lightly floured parchment paper.
- Place the dough on the parchment paper on a baking sheet.
- Spread the filling evenly over the dough.
- Overlap the tomato slices in a circular fashion over the top of the filling.
- Bring the edges of the dough up around the filling to form a rustic open face pie.
- Bake for 25 – 30′ or until nicely browned.
- Serve hot or warm and cut into wedges.
