Skillet Peach Cobbler

Name: Skillet Peach Cobbler
Ingredients: 2 cups all-purpose flour; 1 1/2 cups sugar; 2 teaspoons baking powder; 2 teaspoons salt; 2 large eggs, beaten to blend; 1 1/2 cups crème fraîche, divided; 1 cup whole milk; 2 teaspoons vanilla extract; 1/4 cup (1/2 stick) unsalted butter; 2 pounds peeled, pitted peaches, each cut into 1/2 wedges (about 2 cups); 1 cup Lord Grey's Peach Preserves; 1 cup chilled heavy cream; 2 tablespoons sugar