Swiss Chard and Shiitake Mushroom Galette Recipe

Ingredients

• 2½ cups all-purpose flour
• ⅔ cup yellow cornmeal (not stone ground)
• 2 teaspoons sugar
• 1 teaspoon salt
• 1 tablespoon finely chopped fresh rosemary
• 12 tablespoons (1½ sticks) unsalted butter, chilled and cut into small pieces
• ¼ cup olive oil
• 4 to 6 tablespoons ice water, as needed
• 1 tablespoon olive oil
• 2 shallots, finely chopped
• 2 garlic cloves, minced1 cup sliced fresh shiitake mushrooms2 bunches rainbow Swiss chard, washed and dried, leaves and stalks thinly sliced
• ¼ teaspoon salt
• ⅛ teaspoon white pepperPinch of red pepper flakes1¼ cups whole ricotta, drained
• 1 tablespoon finely chopped fresh rosemaryZest of one lemon
• 1¼ cups shredded Swiss or Gruyere cheese
• 1 large egg
• 1 tablespoon heavy cream