White Peach and Lemon Thyme Galette

INGREDIENTS

• 1/4 teaspoon table salt
• 1/2 cup ice water
• 3 to 4 large white peaches, each peeled and sliced into wedges
• 1/3 cup honey
• 10 to 15 sprigs of fresh lemon thyme, or regular thyme if you can't find it
• 1 tablespoon milk or water
• 1 egg yolk
• 2 cups all-purpose flour, chilled in the freezer for 15 mimutes, plus an additional 2 teaspoons
• 1 cup crème fraîche
• 10 tablespoons very cold butter, cut into 1/2-inch cubes
• 2 teaspoons granulated sugar