Preheat oven to 325 . Prepare crust : In a medium saucepan place 1/4 cup sugar and butter, heat until butter is melted, stirring occasionally. Stir in Graham cracker crumbs press mixture evenly over the bottom of a 13 x 9 in. baking pan. In a large bowl with an electric mixer beat cream cheese until smooth. Gradually beat in remaining 3/4 cup sugar. Beat in eggs, one at a time, and vanilla until well blended. Spoon blueberry filling evenly over crust. carefully pour cream cheese mixture over blueberries.Bake just until set 45 to 50 minutes. Cool. Chill until cold. Cut into squares.
