1Heat oven to 450°F. Bake pie crust as directed on box for One-Crust Baked Shell, using 9-inch glass pie plate. Cool completely on cooling rack, about 15 minutes.
2Meanwhile, in 1-quart saucepan, heat jam over medium heat. In small bowl, mix water and gelatin. Stir into jam. Cook, stirring constantly, until mixture comes to a boil. Stir in lemon juice. Pour into large bowl; cool completely, about 45 minutes.
3Add strawberries to cooled jam mixture; mix until evenly coated. Spoon mixture into cooled baked shell. Refrigerate until set, about 2 hours.
4Serve with sweetened whipped cream. Cover and refrigerate any remaining pie.