Mini Bacon and Mushroom Quiches

Pate Brisee (savory tart dough)

cake flour (about 2 cups)

salt

very cold unsalted butter, cubed (1 stick, ½ cup)

plus 1 teaspoon) very cold water

Parchment paper and dried beans or pie weights will be needed

Filling

pieces of bacon, cut into strips

mushrooms, quartered and sliced

grated Gruyere cheese

finely diced caramelized onions (optional)

egg

milk

heavy cream

salt

nutmeg

cayenne