Apple Galette

Ingredients

• Filling: 1 tablespoon fresh lemon juice
• 1½ cups all-purpose flour
• 2 tablespoons granulated sugar
• ¼ teaspoon salt
• ½ cup cold unsalted butter, cubed
• ¼ cup ice-cold water, plus more as needed
• 3 large apples (preferably Honeycrisp, Fuji, or Winesap), peeled and cut into ¼-inch-thick slices
• ¼ cup packed light brown sugar
• 2 teaspoons cornstarch
• 1 teaspoon ground cinnamon
• ½ teaspoon ground ginger
• Pinch of fine salt
• ½ teaspoon vanilla extract
• Egg wash: 1 large egg, beaten with 1 tablespoon heavy cream or milk
• Raw sugar, for sprinkling
• 1 tablespoon cold unsalted butter, cut into small cubes
• ¼ cup apricot jam or jelly