Carefully unroll the dough on a lightly floured surface. Divide along the dotted lines into 4 equal rectangles. Working with 1 rectangle at a time, gently pinch and smooth the dough to eliminate the diagonal dotted lines. Trim the dough along one side to approximate a square. Place 1 tablespoon of cream cheese and 1 tablespoon of jam in the center of each square. Fold each corner to the center of the square, pinching them together. Transfer to a baking sheet. Bake until golden brown, 18 to 20 minutes.