Eggs with leek

1 1/2 cups flour (I use unbleached) 1/4 teaspoon salt 6 tablespoons butter , cold 3 tablespoons vegetable shortening , cut into small chunks 1 egg 3[...]

1 lb pizza dough 1 leek 3 tablespoons unsalted butter , divided 6 slices bacon , cooked and roughly chopped 1/2 lb gruyere , shredded (about 2 cups) 3 eggs[...]