White Peach and Lemon Thyme Galette

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