Old Fashioned Peach Cobbler (A.K.A. Peach Puzzle) Recipe

Ingredients (12)

• 2 cups (about 10 ounces) all-purpose flour
• 2 tablespoons (about 1/2 ounce) sugar
• 2 teaspoons baking powder
• 1/4 teaspoon salt
• 7 tablespoons unsalted butter, cut into 1/2 tablespoon pieces, plus more for buttering pie plate
• 1 egg
• 3/4 cup (about 6 ounces) whole milk
• 7 medium peaches or 6 large peaches, peeled with stems removed
• 3/4 cup (about 6 ounces) packed dark brown sugar
• 1/4 teaspoon salt
• 1/4 cup water
• 1 teaspoon vanilla extract