Tarte Tatin of Winter Pears

INGREDIENTS

• 2 cups all-purpose flour
• 1/2 tsp. salt
• 9 Tbs. chilled unsalted butter
• 6 Tbs. ice water
• 3 Tbs. unsalted butter
• 1/4 cup granulated sugar
• 3 or 4 firm, ripe winter Nellis or Bosc pears
• (about 2 lb. total), peeled, halved and cored
• 1/2 cup firmly packed brown sugar
• 2 Tbs. finely chopped crystallized ginger
• 1 Tbs. fresh lemon juice
• 1/2 tsp. ground mace
• 1/4 tsp. ground cinnamon
• 1/4 tsp. ground cloves