In large bowl, mix brown sugar, 1/4 cup granulated sugar and the cornstarch. Stir in ginger and lemon peel. Add pears; toss gently. Spoon into crust-lined pan. Dot with butter. Top with second crust; seal edge and flute. Cut slits or shapes in several places in top crust. Brush crust with water; sprinkle with 4 teaspoons sugar. Cover edge of crust with 2 to 3 inch strips of foil to prevent excessive browning; remove foil last 15 minutes of baking.