Meanwhile, mix corn starch and 1 Tbsp. orange juice until blended. Bring cranberries, remaining orange juice and remaining sugar to boil in saucepan on medium-high heat; simmer on low heat 6 min. or until cranberries are softened, stirring frequently. Stir in corn starch mixture; bring to boil, stirring constantly. Cook and stir 1 min. or until thickened. Remove from heat. Stir in orange zest. Cool. Refrigerate until ready to use.