luku

1 1/4 cups graham cracker crumbs 1/4 cup sugar 1/4 cup butter 1 tablespoon cinnamon 3 (8 ounce) packages cream cheese 4 eggs 1 cup sugar 1/2 pint sour cream 3 tablespoons sugar 1 teaspoon vanilla 1 cup blackberry jam 8 ounces frozen blackberrys