See below

To Make Pastry: Open package, cut roll of pastry into thirds. Unroll
one of them, lay out flat so you can easily take the 1/3-sheets of
it. Take one, lay out flat on wax paper. Brush both ends with melted
butter, brush middle area sparingly with butter. Put 1 to
2tablespoons of filling at an end. Roll over it once. Now fold it up
like a flag gets folded, into triangles. When you reach 1 fold away
from other end, slide the whole thing down your paper, & put another
sheet on the end. Brush meeting area, brush other end, brush middle
sparingly. Continue folding. At end, stick still a third sheet on.
Thats the last one. When its all folded, brush some butter on
outside. Put on wire rack off to side. For cooking, put wire rack
over pan or cookie sheet, cook at 400 for 15-20 min. (check em after
12 or so, theyre done when they look golden-brown). You can also use
only 2 sheets per pastry, but theyre more fragile. The skin gets
firm after sitting 15 min on a counter as the butter hardens.. The
non-meat ones should last a while if in a freezer bag.