Heat oven to 350°F.
If using crescent rolls: Unroll dough; separate crosswise into 2 sections. Pat dough and firmly press perforations to seal, forming 2 squares. If using dough sheet: Unroll dough; cut crosswise into 2 rectangles. Pat dough to form 2 squares.
Place 1 square on ungreased cookie sheet. Place cheese on center of dough. With small cookie or canapé cutter, cut 1 shape from each corner of remaining square; set cutouts aside.
Place remaining square on top of cheese round. Press dough evenly around cheese; fold bottom edges over top edges. Gently stretch dough evenly around cheese; press to seal completely. Brush with beaten egg. Top with cutouts; brush with additional beaten egg.
Bake 20 to 24 minutes or until golden brown. Cool 15 minutes. Serve warm.