In medium saucepan, combine cornstarch and sugar. Stir in evaporated milk and corn syrup. Cook and stir over medium heat until bubbly; cook 1 minute longer. Set aside to cool. In blender or food processor fitted with metal blade, finely chop peaches. Combine chopped peaches, cooled milk mixture and half and half. Pour into ice cream canister. Freeze in ice cream maker according to manufacturer's directions. Makes about 1 quart. Per Serving: 131 calories - 4 g. Prot. - 26 g. Carb. 2 g. Fat - 7 mg. Chol. - 143 mg. Calcium.