Blueberry Cheesecake Bars

6 Tbsp butter melted
2 c graham cracker crumbs
2 pkg 8 oz cream cheese softened
3/4 c sugar
2 eggs
1 tsp vanilla
1 jar 10 oz blueberry jam or preserves
1 c blueberries

Preheat oven to 350, mix butter and graham cracker crumbs in 13x 9 inch pan, press onto bottom of pan. Refrigerate until ready to use. Beat cream cheese in large bowl with mixer until creamy. Add sugar, eggs and vanilla, beat until well blended. Stir jam in jar until softened, spread evenly on crust. Top with berries, then cream cheese mixture. Bake 30 min or until slightly puffed. cool completely before cutting bars. Keep refrigerated.