Cin-ful Peach Cobbler

INGREDIENTS

• Vanilla ice cream or whipped cream, for serving
• 1 teaspoon ground cinnamon
• 3/4 cup all-purpose flour
• 1/2 teaspoon salt
• Special Equipment: 12 by 8-inch oval stoneware dish or 13 by 9-inch rectangular glass or stoneware dish
• 3/4 cup brown sugar
• 3/4 cup oats
• 1/4 cup white sugar
• 1 teaspoon butter
• 1 lemon, juiced
• 1 teaspoon cornstarch, dissolved in 1 tablespoon water
• 1/4 cup sugar
• 1/2 cup all-purpose flour
• 1/2 teaspoon freshly grated nutmeg
• 1 stick unsalted butter, room temperature, cut into 8 pieces
• 1/4 cup brown sugar
• 1/4 cup slivered almonds
• 1/2 cup dried cranberries
• 10 cups frozen peaches, thawed, about 3 pounds prepared